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Austrelaps
''Austrelaps'' is a genus of venomous elapid snakes native to the relatively fertile, temperate, southern and eastern part of the Australian continent. Three species are currently recognized, with no subspecies. They are commonly called copperheads or Australian copperheads. They are not closely related to the American copperhead, ''Agkistrodon contortrix'',
==Description==
The three species of Australian copperheads, i.e., the pygmy, highlands, and common copperheads, vary in size. The pygmy copperhead is long, and lives in South Australia and on Kangaroo Island. The highlands copperhead is in length and lives in northern Victoria to southern New South Wales. The common copperhead reaches in length and lives in southern Victoria into Tasmania.
Australian copperheads are usually of medium size, , only rarely being more than long, and have a moderate build. Their colour varies a great deal, from a coppery mid-brown to yellowish, reddish, grey or even black, depending on the individual. The copper head colouring that gave rise to the common name is sometimes present, sometimes not. Some individuals also have visible markings just behind the head. Perhaps in consequence of this great variation, it was not realised until the second half of the 20th century that there were in fact three different species.
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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