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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Nine New Frog Species Discovered: Why You Should Care

A new frog species discovery and why you should care are explained in this article. Learn about a new frog species.

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  • Are there really hallucinogenic frogs?

    Are there really hallucinogenic frogs?

    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. See more »

  • Do toads cause warts?

    Do toads cause warts?

    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. See more »

  • How can salamanders regrow body parts?

    How can salamanders regrow body parts?

    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. See more »

  • How Frogs Work

    How Frogs Work

    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? See more »

  • Amphibian

    Amphibian

    Amphibian, one of a large class of cold-blooded vertebrates (animals with backbones). They are fascinating creatures. Learn more about amphibians at HowStuffWorks. See more »

  • Axolotl

    Axolotl

    Axolotl is a Mexican salamander that retains most of its larval characteristics, but which matures sexually and is able to reproduce. See more »

  • Frog

    Frog

    Frog is a small tailless amphibian. Scientifically, there is no distinction between frogs and toads. See more »

  • Leap for Frogs

    Leap for Frogs

    Leap for Frogs will inform you about some of the many different frog conservation efforts. Learn about Leap for Frogs in this article from HowStuffWorks. See more »

  • Mud Puppy

    Mud Puppy

    Mud Puppy is a salamander that lives in lakes and rivers in the eastern United States. See more »

  • Newt

    Newt

    Newt is a salamander found in or near freshwater in North America, Europe is asia is and North Africa. See more »

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