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Ball python
The ball python (''Python regius'') is a nonvenomous python species found in Africa. This is the smallest of the African pythons and is popular in the pet trade, largely due to its typically docile temperament. No subspecies are currently recognized. It is also known as royal python.〔Mehrtens JM. 1987. Living Snakes of the World in Color. New York: Sterling Publishers. 480 pp. ISBN 0-8069-6460-X.〕 The name "ball python" refers to the animal's tendency to curl into a ball when stressed or frightened.〔(Ball Python (''Python regius'') Caresheet ) at (ball-pythons.net ). Accessed 12 September 2007.〕 The name ''royal python'' (from the Latin ''regius'') comes from the fact that rulers in Africa would wear the python as jewelry.
==Description==
Adults generally do not grow to more than .〔Barker DG, Barker TM. 2006. Ball Pythons: The History, Natural History, Care and Breeding (Pythons of the World, Volume 2). VPI Library. 320 pp. ISBN 0-9785411-0-3.〕 Females tend to be slightly bigger than males, maturing at an average of . Males usually average around .〔http://www.peteducation.com/article.cfm?c=17+1831&aid=2422〕 The build is stocky〔 while the head is relatively small. The scales are smooth〔 and both sexes have anal spurs on either side of the vent.〔(Ball python ) at (Pet Education ). Accessed 12 September 2007.〕 Although males tend to have larger spurs, this is not definitive, and sex is best determined via manual eversion of the male hemipenes or inserting a probe into the cloaca to find the inverted hemipenes (if male).〔McCurley, Kevin. 2005. The Complete Ball Python: A Comprehensive Guide to Care, Breeding and Genetic Mutations. ECO & Serpent's Tale Nat Hist Books. 300 pp. ISBN 978-097-131-9.〕 When probing to determine sex, males typically measure eight to ten subcaudal scales, and females typically measure two to four subcaudal scales.〔
The color pattern is typically black or dark brown with light brown or gold sides and dorsal blotches. The belly is a white or cream that may include scattered black markings.〔 However, those in the pet industries have, through selective breeding, developed many morphs (genetic mutations) with altered colors and patterns.〔((''P. regius'') Base Mutations ) at (Graziani Reptiles ). Accessed 12 September 2007.〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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