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 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...
Blanding's turtle (Emydoidea blandingii) is a semi-aquatic turtle native to North America. It is considered to be an endangered species throughout much of its range. Blanding's turtle is of interest in longevity research, as it shows little to no...
The eastern fence lizard (Sceloporus undulatus ) is a medium-sized species of lizard in the family Phrynosomatidae. The species is found along forest edges, rock piles, and rotting logs or stumps in the eastern United States. It is sometimes...
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 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.
Agkistrodon contortrix mokasen was formerly a venomous pit viper subspecies found in the eastern United States. However, recent taxonomic changes do not recognize the northern copperhead (A. c. mokasen ) as a valid taxon.
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 spotted turtle (Clemmys guttata ), the only species of the genus Clemmys, is a small, semi-aquatic turtle that reaches a carapace length of 8–12 cm (3.1–4.7 in) upon adulthood. Their broad, smooth, low dark-colored upper shell, or carapace,...
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.
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 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 Cumberland slider (Trachemys scripta troostii), also called commonly the Cumberland turtle and Troost's turtle, is a subspecies of pond slider, a semiaquatic turtle in the family Emydidae. The subspecies is indigenous to the Southeastern United...
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.
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 copperbelly water snake or copperbelly (Nerodia erythrogaster neglecta ) is a subspecies of nonvenomous colubrid snake endemic 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.
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.
The Ouachita map turtle (Graptemys ouachitensis ) is a species of turtle belonging to the family Emydidae.
Thamnophis sauritus septentrionalis, the northern ribbon snake, is a subspecies of garter snake. It is one of four subspecies of the ribbon snake (Thamnophis sauritus ) and occurs in the United States and Canada in southern Maine, Connecticut,...
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.
Thamnophis sirtalis semifasciatus, the Chicago garter snake, is a subspecies of the common garter snake native to the Chicago, United States, region. It was described by Edward Drinker Cope in 1892, and can be found in the vicinity of rural...
