Amphibians

Amphibians are cold-blooded animals that usually split their time between using their lungs on land and breathing with gills underwater. Learn about the three groups of amphibians which include frogs and toads, newts and salamanders and caecilians.

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These two amphibians look similar and are often confused for each other. So how many traits do they share?

By Mark Mancini

These four-legged salamanders look like they've been rolled flat and can weigh up to 5 pounds, but polluted streams put these amphibians in danger of extinction.

By Mark Mancini

When the Congolese giant toad feels threatened, it can ward off predators by transforming itself into what looks like a super-venomous Gaboon viper.

By Michelle Konstantinovsky

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If salamanders can regrow or repair limbs, eyes and spinal cords, could humans do it too? After all, we share a lot of the same genes. That's what some researchers set out to find.

By Nathan Chandler

Vomiting is nature's clearly preferred method for cleaning out the contents of the stomach. But not all animals can do it.

By Loraine Fick

From burrowing beneath the frost line to literally surviving with 40 percent of the its body frozen solid, these creatures have it rough during the cold months.

By Mark Mancini

Watch out if you want a bite of this bad boy. The Asian common toad has been spotted in Madagascar, and conservation ecologists are worried sick about it.

By Jesslyn Shields

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The transparent skin on the underside of H. yaku, a species of glass frog found in Ecuador's Amazon, exposes the amphibian's tiny organs.

By Shelley Danzy

What motivates these amphibians to rove so far? Let's talk about sex, baby. And endurance.

By Jesslyn Shields

Herpetologists long thought frogs and toads engaged in only six mating positions. But the suggestively named Bombay night frog has a new move all its own.

By Jesslyn Shields

This guide will provide cool facts about the tiger salamander including information about its habitat, behaviors and conservation status.

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Meet the cane toad! View pictures, watch video, read facts, explore interactives and more.

Would you like to learn about how to identify amphibians? Learn about how to identify amphibians in this article.

By HowStuffWorks.com Contributors

Do toads cause warts? The wart-like bumps protruding from their backs may give some that impression, but nothing could be further from the truth.

By Josh Clark

If a salamander gets in a scrape, it can drop its tail, scurry off and return to business as usual. What if we could do that? Scientists are using the salamander as a blueprint for human genome research to reveal how to regenerate human limbs.

By Cristen Conger

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What would happen if a fairytale princess licked a toad instead of kissing it in order to find her prince charming? Trippy hallucinations might await her instead of wedded bliss.

By Cristen Conger

Amphibians are a diverse and unique group of animals. In this collection of amphibian pictures, you'll find Amazon horned frogs is african tree frogs, caecilians, newts and more.

By Marie Bobel

Frogs have been around for about 200 million years. In that time, they've adapted to their changing surroundings to ensure their survival. How have they changed, and what's the difference between frogs and toads, anyway?

By Tracy V. Wilson