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Pantherophis alleghaniensis — Holbrook , 1836 The gray ratsnake or gray rat snake ( Pantherophis spiloides ), also commonly known as the black ratsnake , central ratsnake , chicken snake , midland ratsnake , or pilot black snake , is a species of nonvenomous snake in the genus Pantherophis in the subfamily Colubrinae . [ 5 ]
Eastern rat snake (subadult), Pantherophis quadrivittatus, in Maryland P. alleghaniensis is found in the United States east of the Apalachicola River in Florida, east of the Chattahoochee River in Georgia, east of the Appalachian Mountains, north to southeastern New York and western Vermont, eastern Pennsylvania, Maryland, South Carolina, North Carolina, Georgia, south to the Florida Keys.
Gray rat snake, Pantherophis spiloides Black ratsnake, Pantherophis obsoletus (formerly Elaphe obsoleta obsoleta): The blue eyes indicate the snake is in a shed cycle. Yellow rat snake Pantherophis sp. (formerly Elaphe obsoleta quadrivittata) from Florida. Bogertophis spp. Baja California rat snake, B. rosaliae (Mocquard, 1899)
Pantherophis spiloides (A. M. C. Duméril, Bibron, & A. H. A. Duméril, 1854) Abundant [n 3] The taxonomy of the genus Pantherophis, and especially P. alleghaniensis and P. spiloides, are in flux, and the names and validity of this species are prone to change Generally west of the Appalachians: Eastern hog-nosed snake: Heterodon platirhinos ...
Pantherophis is a genus of nonvenomous colubrid snakes endemic to central and eastern regions of North America. It consists of the North American ratsnakes , the foxsnakes , and the cornsnakes . The genus, which contains 10 recognized species, first appeared in the fossil record in the Middle Miocene around 16.3 million years ago.
Pantherophis obsoletus, also known commonly as the western rat snake, black rat snake, pilot black snake, or simply black snake, [4] is a nonvenomous species of snake in the family Colubridae. The species is native to central North America .
Pantherophis emoryi, commonly known as the Great Plains rat snake, is a species of nonvenomous rat snake in the family Colubridae. The species is native to the central part of the United States , from Missouri to Nebraska , to Colorado , south to Texas , and into northern Mexico .
This subspecies, Pantherophis emoryi slowinskii, is nocturnal and quite secretive. Like its sister-species, the Great Plains rat snake (Pantherophis emoryi), it is an excellent climber and likely spends a large portion of its time up in trees. These habits together may explain why it is so infrequently encountered by humans.