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Occurrence of the Garter Snake, Thamnophis Sirtalis, in the Great Plains and Rocky Mountains

by Fitch Henry S. (henry Sheldon)

2018-11-08 19:35:02

The common garter snake (Thamnophis sirtalis) has by far the most extensive geographic range of any North American reptile, covering most of the continental United States from the Atlantic to the Pacific and from south of the Mexican boundary far nor ... Read more
The common garter snake (Thamnophis sirtalis) has by far the most extensive geographic range of any North American reptile, covering most of the continental United States from the Atlantic to the Pacific and from south of the Mexican boundary far north into Canada and southeastern Alaska. Of the several recognized subspecies, the eastern T. s. sirtalis has the most extensive range, but that of T. s. parietalis in the region between the Mississippi River and the Rocky Mountains is almost as large. The more western T. s. fitchi occurring from the Oregon and California coasts east through the northern Great Basin, has the third largest range, while the far western subspecies pickeringi, concinnus, infernalis and tetrataenia, and the Texan T. s. annectens all have relatively small ranges. Less

Book Details

File size387.177 KB
Print pages46
PublisherPublic Domain Books
LanguageEnglish
ISBN9781318986026
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