Amphibians also have special skin glands that produce useful proteins. Some transport water, oxygen, and carbon dioxide either into or out of the animal. Others fight bacteria or fungal infections.

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Females, which are larger than males, can reach 7 inches in length, making these stout-bodied amphibians the continent ... Its other common name derives from the dramatic, jagged crest that ...

Vertebrates, for example, are divided into mammals, birds, reptiles, amphibians and fish. Mammals are warm-blooded animals with hair or fur and can produce milk to feed their young. They have ...

Scientists have discovered an ancient amphibian ancestor that lived 270 million years ago and named it in honour of the iconic Muppet character Kermit the Frog. The extinct species, which has been ...

"Amphibians are the world's most threatened animals," Duke University frog researcher Junjie Yao, who was not involved in the study, told The Associated Press. The biggest threat to amphibians ...