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The longest recorded total length to date for an eastern rat snake is 228 cm (7 ft 6 in). [11] A sample of eastern rat snakes, including juvenile and adult snakes, weighed from 54 g (1.9 oz) to 1,274 g (2.809 lb). [15] A further adult weighed 833 g (1.836 lb). [16] Adults are shiny black dorsally, with a cream or white chin and throat.
In comparison to rat snake species at relatively colder regions, rat snake species at lower latitudes tend to be larger in size due to warmer climate conditions. As the global climate warms, the average body size of rat snakes at higher latitudes will become larger, which will allow the species to catch more prey and thus increase their overall ...
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]
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. There are no subspecies that are recognized as being valid. [5] Its color variations include the Texas ...
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 .
The Texas rat snake is a medium to large snake, capable of attaining lengths of 4–5 ft. [2] They vary greatly in color and patterning throughout their range, but they are typically yellow or tan, with brown to olive-green, irregular blotching from head to tail. Specimens from the southern area of their range tend to have more yellow, while ...
Ptyas is a genus of colubrid snakes. [1] This genus is one of several colubrid genera colloquially called "rat snakes" or "ratsnakes".. The generic name derives from Ancient Greek πτυάς, meaning "spitter", which referred to a kind of snake believed to spit venom in the eyes of humans, although in reality none of the Ptyas are known to spit venom.
Between about 1990 and 2011, foxsnakes were sometimes divided into two species, with P. vulpinus as the western foxsnake, and P. gloydi as the eastern foxsnake. A 2011 paper by Crother, White, Savage, Eckstut, Graham and Gardner proposed instead that the Mississippi River be established as the species boundary between two species of foxsnakes, and that those found to its east be considered P ...