The copperhead (Agkistrodon contortrix) is a venomous pit viper endemic to eastern North America; it is a member of the subfamily Crotalinae in the family Viperidae. As a common species within its range, it may be encountered by humans. Unlike other...
The Smooth green snake (Opheodrys vernalis) is a North American nonvenomous snake in the family Colubridae. It is small to medium in size and gets its common name from its smooth dorsal scales. A non-aggressive snake, it seldom bites and usually...
The Speckled kingsnake (Lampropeltis holbrooki) is a nonvenomous snake which is native to the United States. Its common name is derived from its pattern and this snake is also known as the "salt-and-pepper snake".
Diadophis punctatus edwardsii, commonly known as the northern ringneck snake, is a subspecies of Diadophis punctatus, a snake in the family Colubridae. The subspecies is endemic to North America.
The Texas garter snake (Thamnophis sirtalis annectens ) is a subspecies of the common garter snake (T. sirtalis ) endemic to the United States.
Graham's crayfish snakes (Regina grahamii) are nonvenomous semiaquatic snakes found only in the central United States. They are named after their primary choice of diet.
Agkistrodon laticinctus is a venomous pit viper species, formerly considered a subspecies of Agkistrodon contortrix, which is found in the southern United States, from Kansas, through Oklahoma and throughout central Texas.
Lampropeltis triangulum syspila, commonly known as the red milk snake or red milksnake, is a subspecies of the milk snake (Lampropeltis triangulum). The nonvenomous, colubrid snake is indigenous to the central United States.
Pantherophis ramspotti, commonly known as the western fox snake, is a species of rat snake that is endemic to the upper midwestern United States, west of the Mississippi river. It is non-venomous.
Agkistrodon contortrix phaeogaster was formerly a venomous pit viper subspecies found in the central region of the United States. However, recent taxonomic changes do not recognizes the Osage copperhead (A. c. phaeogaster ) as a valid taxon.
Sistrurus catenatus tergeminus is a venomous pit viper subspecies found in the southwestern plains of the United States. In some areas its range overlaps that of another subspecies, S. c. edwardsii, and intergrading of the two is not unknown.
Diadophis punctatus arnyi, also known commonly as the prairie ringneck snake, is a subspecies of small, thin snake in the family Dipsadidae. The subspecies is native to the Midwestern United States.
Rhinocheilus lecontei tessellatus is a subspecies of nonvenomous colubrid snake, which is endemic to the western United States and northern Mexico.
