The northern cricket frog can appear in a variety of colors from grey to tan to greenish-tan to brown, with a white belly and sometimes an irregular green, yellow, orange, or brown stripe on its back.

Researchers have discovered seven new species of tree frogs that make otherworldly calls in the rainforests of Madagascar. Their strange, high-pitched whistling calls sound more like sound effects ...

It's the next generation -- of tree frogs. A new species was discovered in Madagascar and named for having "Star Trek" like cadences. Paramount/courtesy Everett Collection Beam me up, froggy. Deep in ...

A team of Australian scientists has discovered a curious “chocolate frog” tree frog in the lowland rainforests of New Guinea. Tree frogs are known for their green skin – but due to its brown coloring, ...