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| Eastern diamondback rattlesnake ： ウィキペディア英語版 |
:''Common names''': '''eastern diamondback rattlesnake''', eastern diamondback, more'''''''Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.
:''Common names: eastern diamondback rattlesnake, eastern diamondback, more''
''Crotalus adamanteus'' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.
==Description==
This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.〔Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.〕〔()〕 Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.
Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as .〔 A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.
The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,〔U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X.〕 and are given.〔Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb).〕 One study found an average length of based on 31 males and 43 females.〔Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.〕 The average body mass is roughly .〔()〕 The average weight of 9 laboratory-kept specimens was , with a range of .〔Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.〕〔Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1).〕 Few specimens can exceed , although exceptional specimens can weigh or more.〔()〕〔()〕
The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.〔
The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「:'''''Common names''': '''eastern diamondback rattlesnake''', eastern diamondback, more'''''''Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
'Common names: eastern diamondback rattlesnake, eastern diamondback, more'Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.
:''Common names: eastern diamondback rattlesnake, eastern diamondback, more''
''Crotalus adamanteus'' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.
==Description==
This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.〔Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.〕〔()〕 Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.
Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as .〔 A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.
The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,〔U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X.〕 and are given.〔Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb).〕 One study found an average length of based on 31 males and 43 females.〔Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.〕 The average body mass is roughly .〔()〕 The average weight of 9 laboratory-kept specimens was , with a range of .〔Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.〕〔Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1).〕 Few specimens can exceed , although exceptional specimens can weigh or more.〔()〕〔()〕
The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.〔
The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「:'''''Common names''': '''eastern diamondback rattlesnake''', eastern diamondback, more'''''''Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
Crotalus adamanteus'' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.
:''Common names: eastern diamondback rattlesnake, eastern diamondback, more''
''Crotalus adamanteus'' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.
==Description==
This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.〔Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.〕〔()〕 Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.
Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as .〔 A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.
The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,〔U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X.〕 and are given.〔Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb).〕 One study found an average length of based on 31 males and 43 females.〔Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.〕 The average body mass is roughly .〔()〕 The average weight of 9 laboratory-kept specimens was , with a range of .〔Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.〕〔Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1).〕 Few specimens can exceed , although exceptional specimens can weigh or more.〔()〕〔()〕
The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.〔
The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「:'''''Common names''': '''eastern diamondback rattlesnake''', eastern diamondback, more'''''''Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.
:''Common names: eastern diamondback rattlesnake, eastern diamondback, more''
''Crotalus adamanteus'' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.
==Description==
This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.〔Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.〕〔()〕 Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.
Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as .〔 A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.
The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,〔U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X.〕 and are given.〔Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb).〕 One study found an average length of based on 31 males and 43 females.〔Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.〕 The average body mass is roughly .〔()〕 The average weight of 9 laboratory-kept specimens was , with a range of .〔Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.〕〔Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1).〕 Few specimens can exceed , although exceptional specimens can weigh or more.〔()〕〔()〕
The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.〔
The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「:'''''Common names''': '''eastern diamondback rattlesnake''', eastern diamondback, more'''''''Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
'Common names: eastern diamondback rattlesnake, eastern diamondback, more'Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.">ウィキペディア（Wikipedia）』
■ウィキペディアで「:'''''Common names''': '''eastern diamondback rattlesnake''', eastern diamondback, more'''''''Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
Crotalus adamanteus'' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.">ウィキペディア（Wikipedia）』
■ウィキペディアで「:'''''Common names''': '''eastern diamondback rattlesnake''', eastern diamondback, more'''''''Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.">ウィキペディア（Wikipedia）』
■ウィキペディアで「:'''''Common names''': '''eastern diamondback rattlesnake''', eastern diamondback, more'''''''Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
'Common names: eastern diamondback rattlesnake, eastern diamondback, more'Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.">ウィキペディアで「:'''''Common names''': '''eastern diamondback rattlesnake''', eastern diamondback, more'''''''Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
Crotalus adamanteus'' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.">ウィキペディアで「:'''''Common names''': '''eastern diamondback rattlesnake''', eastern diamondback, more'''''''Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.">ウィキペディアで「:''Common names''': '''eastern diamondback rattlesnake''', eastern diamondback, more'''''''Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
'Common names: eastern diamondback rattlesnake, eastern diamondback, more'Crotalus adamanteus''''' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
Crotalus adamanteus'' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
' is a pit viper species found in the southeastern United States. It is the heaviest though not the longest venomous snake in the Americas and the largest rattlesnake. No subspecies are currently recognized.==Description==This is the largest rattlesnake species and is the heaviest known type of venomous snake, with one specimen shot in 1946 measuring in length and weighing . However, other venomous snakes may rival this species in weight, the much longer but more slender king cobra is probably greater in average body mass if not maximum weight and the shorter but even bulkier gaboon viper could (but is not verified to) exceed the rattlesnake in both mean adult body mass and possibly even maximum body mass.Mallow D, Ludwig D, Nilson G. 2003. ''True Vipers: Natural History and Toxinology of Old World Vipers''. Malabar, Florida: Krieger Publishing Company. 359 pp. ISBN 0-89464-877-2.() Maximum reported lengths for eastern diamondback rattlesnakes are . and . However, the stated maximum sizes have been called into question due to a lack of voucher specimens. Males are larger than females.Specimens over are rare, but well documented. Klauber (1998) included a letter he received from E. Ross Allen in 1953, in which Allen explains how for years he offered a reward of $100, and later $200, for an specimen, dead or alive. The reward was never claimed. He did receive a number of range specimens and some skins, but said such skins can be taken from specimens as short as . A specimen was caught and killed outside a neighborhood in St. Augustine, Florida in September 2009.The average size is much less. Specimens are rarely found under 1 foot in length. Lengths of ,U.S. Navy. 1991. Poisonous Snakes of the World. US Govt. New York: Dover Publications Inc. 204 pp. ISBN 0-486-26629-X. and are given.Conant R. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Second Edition. First published in 1958. Houghton Mifflin Company Boston. 429 pp. 48 plates. ISBN 0-395-19979-4 (hc), ISBN 0-395-19977-8 (pb). One study found an average length of based on 31 males and 43 females.Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0. The average body mass is roughly .() The average weight of 9 laboratory-kept specimens was , with a range of .Rice, A. N., Roberts, T. L., & Dorcas, M. E. (2006). ''Heating and cooling rates of eastern diamondback rattlesnakes, Crotalus adamanteus''. Journal of Thermal Biology, 31(6), 501-505.Dorcas, M. E., Hopkins, W. A., & Roe, J. H. (2004). ''Effects of body mass and temperature on standard metabolic rate in the eastern diamondback rattlesnake (Crotalus adamanteus)''. Journal Information, 2004(1). Few specimens can exceed , although exceptional specimens can weigh or more.()()The scalation includes 25-31 (usually 29) rows of dorsal scales at midbody, 165-176/170-187 ventral scales in males/females and 27-33/20-26 subcaudal scales in males/females, respectively. On the head, the rostral scale is higher than it is wide and contacts two internasal scales. There are 10-21 scales in the internasal-prefrontal region and 5-11 (usually 7-8) intersupraocular scales. Usually, there are two loreal scales between preoculars and the postnasal. There are 12-17 (usually 14-15) supralabial scales, the first of which is in broad contact with the prenasal, and 15-21 (usually 17-18) sublabial scales.The color pattern consists of a brownish, brownish-yellow, brownish-gray or olive ground color, overlaid with a series of 24-35 dark brown to black diamonds with slightly lighter centers. Each of these diamond-shaped blotches is outlined with a row of cream or yellowish scales. Posteriorly, the diamond shapes become more like crossbands and are followed by five to 10 bands around the tail. The belly is a yellowish or cream-colored, with diffused, dark mottling along the sides. The head has a dark postocular stripe that extends from behind the eye backwards and downwards to the lip; the back of the stripe touches the angle of the mouth. Anteriorly and posteriorly, the postocular stripe is bordered by distinct white or yellow stripes.」の詳細全文を読む
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