The science and technology publication American Scientist wrote about the "record-breaking, 10-inch-long whopper of a ...

Green frogs can change sex during their tadpole phase. Tadpoles develop gonads of their genetic sex, but can reverse their sex under certain environmental conditions ...

The green-eyed tree frog has adapted its appearance to blend in with the moss-covered rain forests of Queensland, Australia. The frogs' coloration and markings vary with their specific habitat ...

The first species ever to be emergency-listed as an endangered species in Canada, the Oregon spotted frog was on the U.S. candidate list for 23 years before it federal protection in the United States.