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
Can a turtle outgrow its shell?
Snails are home hoppers -- they'll leave small or damaged shells behind when they find better digs. Are turtles the same, or are they a little more invested in their keratin coverings?
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videos: reptiles
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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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