Alligators & Crocodiles
Alligators and Crocodiles are reptilian relatives but are distinguished by the width of the snout. Alligators have fatter, rounder snouts than crocodiles. See more »
what's inside: reptiles
Reptiles are cold-blooded vertebrates that have scales layered over their skin. Common reptiles include lizards, snakes, alligators and crocodiles.
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Lizards
Lizards usually have a small head, a short neck and a long tail. There are more than 4,600 species of lizards including iguanas, chameleons, geckos and gila monsters, among others. See more »
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Snakes
Snakes have a long, flexible body that is covered with dry scales. Snakes flick their forked tongues to bring in odors to their sensory glands. See more »
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Turtles
Reptiles are beautiful creatures that have evolved since the beginning of time. Check out these articles about all kinds of unique reptiles. See more »
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featured articles
How Snakes Work
A snake can swallow an animal that’s twice as big as its own head -- and swallow it whole. Snakes are amazing creatures with some astonishing capabilities. Did you know that a few of them can even fly? Learn how snakes get around, how they kill and eat their prey, and how they court and reproduce.
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Venomous Snakes
The fear of snakes, ophidiophobia, is one of the most widespread phobias in the world. There are many types of harmless snakes, but the venom from some poisonous varieties can kill a person. The following snakes have the most potent venom.
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