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:''Common names: red diamond rattlesnake, red rattlesnake, red diamond snake,〔Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.〕 more'' ''Crotalus ruber'' is a venomous pit viper species found in southwestern California in the United States and Baja California in Mexico. Three subspecies are currently recognized, including the nominate subspecies described here. ==Description== This moderately large species commonly exceeds on the mainland. Large males may exceed , although specimens of over are quite rare. The largest specimen on record measured (Klauber, 1937).〔Campbell JA, Lamar WW. 2004. The Venomous Reptiles of the Western Hemisphere. Comstock Publishing Associates, Ithaca and London. 870 pp. 1500 plates. ISBN 0-8014-4141-2.〕 ''Crotalus ruber'' is very similar in pattern to ''C. atrox'', but it is distinguished by its reddish color, to which the specific name, ''ruber'', refers. Also, the first lower labial scale on each side is transversely divided to form a pair of anterior chin shields.〔Schmidt, K.P. and D.D. Davis. ''Field Book of Snakes of the United States and Canada''. G.P. Putnam's Sons. New York. 365 pp. ("Red Diamond Rattlesnake.–''Crotalus ruber'' Cope.", pp. 299-300 & Plate 32.)〕 The dorsal scales are usually arranged in 29 rows, but may vary from 25 to 31 rows. Ventrals range from 185 to 206.〔Smith, H.M. and E.D. Brodie, Jr. 1982. ''Reptiles of North America: A Guide to Field Identification''. Golden Press. New York. 240 pp. ("RED DIAMOND RATTLESNAKE (''Crotalus ruber'')", pp. 204-205.)〕 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「Crotalus ruber」の詳細全文を読む スポンサード リンク
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