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.

Cold-blooded – Animals which become colder or hotter depending on the temperature around them. All amphibians are cold-blooded. Frogspawn – The eggs of a frog. In the UK amphibians lay their ...

Amphibians and reptiles are cold-blooded animals. Amphibians live in water and on land. Reptiles primarily live on land. Amphibians have moist skin and lay eggs in water. Reptiles have scales and ...

These iconic rain-forest amphibians sleep by day stuck to leaf ... may play a similar role in thwarting predators. Many of the animals that eat red-eyed tree frogs are nocturnal hunters that ...