Reptiles Encyclopedia

Sea Turtle

Sea Turtle — Sea turtles (Superfamily Chelonioidea) are turtles found in all the world’s oceans except the Arctic Ocean .There are seven living species of sea turtles: flatback, green, hawksbill, Kemp’s Ridley, leatherback, loggerhead and olive ridley. The East Pacific subpopulation of the green turtle has been classified as a separate species in the past as the black turtle. However, …

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Sidewinder

Sidewinder — Crotalus (Sidewinder) cerastes is a venomous pitviper species found in the desert regions of the southwestern United States and northwestern Mexico. Three subspecies are currently recognized, including the typical form described here. A small species, with adult specimens measuring between 43 cm and 76 cm in length. According to Campbell and Lamar (2004), most adults are 50-80 cm …

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Skink

Skink — Skinks are the most diverse group of lizards. They make up the family Scincidae which shares the superfamily or infraorder Scincomorpha with several other lizard families, including Lacertidae (the “true” or wall lizards). Scincidae is the largest of the lizard families with about 1,200 species. Skinks look roughly like true lizards, but most species have no pronounced neck …

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Sea Snake

Sea Snake — Sea snakes, or “seasnakes”, are venomous elapid snakes which inhabit marine environments for most or all of their lives. Though they evolved from terrestrial ancestors, and some such as Laticauda sp. retain ancestral characteristics which allow limited movement on land, most are extensively adapted to a fully aquatic life and are unable to even move on land. …

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Sawback Turtle

Sawback Turtle — Graptemys is a genus of turtles known commonly as map turtles or sometimes sawback turtles. They are aquatic, freshwater basking turtles that are found throughout the eastern half United States and into southern Canada. They superficially resemble many other species of aquatic turtle, including sliders (genus Trachemys) and cooters (genus Pseudemys), but are distinguished by a keel …

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Rattlesnake

Rattlesnake — Rattlesnakes are a group of venomous snakes, genera Crotalus and Sistrurus. They belong to the class of venomous snakes known commonly as pit vipers. There are approximately fifty species of rattlesnake, with numerous subspecies. They receive their name for the rattle located at the tip of their tails. The rattle is used as a warning device when threatened. …

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Race Runner

Race Runner — The Six-lined Racerunner (Cnemidophorus sexlineatus) is a species of lizard found in the United States, from Wyoming across the Great Plains east to Rhode Island, south to Florida and west to southern Texas, and in northern Mexico, in Tamaulipas. The Six-lined Racerunner is typically dark green, brown or black in color, with six yellow or green-yellow stripes …

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