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Sistrurus miliarius
:''Common names: ground rattlesnake, pigmy rattlesnake, eastern pigmy rattlesnake, more.〔Wright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates. (7th printing, 1985). 1105 pp. ISBN 0-8014-0463-0.〕''
''Sistrurus miliarius'' is a venomous pit viper species found in the southeastern United States. Three subspecies are currently recognized including the nominate subspecies described here.
==Description==
A small species with adults usually growing to in length. Maximum reported length are (Klauber, 1972). Snellings and Collins (1997) reported a specimen of ''S. m. barbouri'' measuring , but it had been in captivity for over 12 years. The largest ''S. m. barbouri'' reported by Gloyd (1940) was a specimen measuring from St. Petersburg, Florida. Shine (1978) suggested that in some populations males may be larger than females, but a later study by Bishop ''et al.'' (1996) did not find sexual dimorphism of any kind in a population in Volusia County, Florida.〔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.〕
The midbody rows of dorsal scales usually number 23. The dorsal pattern consists of a series of oval or subcircular spots with reasonably regular edges. The spots on the flanks are mostly round and not much higher than they are wide. Belly pigmentation towards the rear is more limited to indistinct blotches found on pairs of adjacent scales.〔 Juveniles have a color pattern that is similar to the adults, although it may be paler or more vividly marked, and the tip of the tail is yellow.〔
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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