They get their name because hunters in the Amazon ... Herbivores – Animals which eat plants. Nearly all amphibians eat meat. Sirens, which are a type of salamander eat algae, while there is ...

The baritone call of the bullfrog is so deep and resonant, it resembles the mooing of a cow, hence its name. Only males emit ... ranging of all North American amphibians, found in freshwater ...

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 ...

"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 ...