The Common snapping turtle (Chelydra serpentina) is a species of large freshwater turtle. It is noted for its combative disposition when out of the water with its powerful beak-like jaws, and highly mobile head and neck (hence the specific epithet...
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 Painted turtle (Chrysemys picta) is the most widespread native turtle of North America. Fossils show that the painted turtle existed 15 million years ago. In the traditional tales of Algonquian tribes, the colorful turtle played the part of a...
The Texas rat snake (Pantherophis obsoletus lindheimeri ) is a subspecies of rat snake, a nonvenomous colubrid found in the United States, primarily within the state of Texas, but its range extends into Louisiana, Arkansas and Oklahoma. It...
The spiny softshell turtle (Apalone spinifera ) is a species of softshell turtle, one of the largest freshwater turtle species in North America. Both the common name, spiny softshell, and the specific name, spinifera (spine-bearing), refer to the...
The Texas spiny lizard (Sceloporus olivaceus) is a species of phrynosomatid lizard native to the south-central United States. They are quite common throughout their range, where they are frequently spotted in trees or on fences.
The Mud snake (Farancia abacura) is a nonvenomous, semiaquatic snake native to the southeastern United States. This snake spends most of its time in the water but hibernates in cavities in soil or old tree stumps.
Pond sliders (Trachemys scripta) are medium-sized, semiaquatic turtles found in North America. Their name 'slider' comes from the behavior of these turtles when startled. Groups of sliders often bask and sun on logs, branches, and vegetation at or...
Sternotherus odoratus is a species of small turtle in the family Kinosternidae. The species is native to southeastern Canada and much of the Eastern United States. It is also known commonly as the common musk turtle, eastern musk turtle, or stinkpot...
The Common box turtle is a species of a box turtle that lives in the Eastern United States and Mexico. This turtle gets its common name from the structure of its shell which consists of a high domed carapace (upper shell), and a large, hinged...
The river cooter (Pseudemys concinna ) is a species of freshwater turtle in the family Emydidae. The species is native to the central and eastern United States.
The northern map turtle (Graptemys geographica ), also known as the common map turtle, is an aquatic turtle in the family Emydidae. It is endemic to North America.
The western cottonmouth (Agkistrodon piscivorus leucostoma ) was once classified as a subspecies of the cottonmouth (Agkistrodon piscivorus ). However, DNA based studies published in 2008 and 2015, revealed no significant genetic difference between...
The Eastern mud turtle (Kinosternon subrubrum) is a small semiaquatic species of turtle in the family Kinosternidae. It can be found only in the United States and has two recognized subspecies.
The smooth softshell turtle (Apalone mutica ) is a species of softshell turtle of the family Trionychidae. The species is endemic to North America.
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.
The false map turtle (Graptemys pseudogeographica ) is a species of turtle endemic to the United States. It is a common pet species. Two subspecies are recognized, including the nominotypical subspecies described here.
The razor-backed musk turtle (Sternotherus carinatus ) is a species of turtle in the family Kinosternidae. The species is native to the southern United States. There are no subspecies that are recognized as being valid.
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.
The midland water snake (Nerodia sipedon pleuralis ), a subspecies of the northern water snake (Nerodia sipedon ), is a nonvenomous natricine snake, which is endemic to North America.
The Ouachita map turtle (Graptemys ouachitensis ) is a species of turtle belonging to the family Emydidae.
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.
Sistrurus miliarius streckeri is a venomous pit viper subspecies found in the southcentral United States.
Cemophora coccinea copei, commonly known as the northern scarlet snake, is a subspecies of harmless colubrid snake that is native to the southern and eastern United States.
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.
The chicken turtle (Deirochelys reticularia ) is a turtle native to the southeastern United States. It is the only extant member of the genus Deirochelys and is a member of the freshwater marsh turtle family Emydidae. The chicken turtle's scientific...
The pallid spiny softshell turtle (Apalone spinifera pallida ) is a subspecies of softshell turtle native to the U.S. states of Oklahoma, Louisiana and Texas. It was first described by Robert G. Webb in 1962.
