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.

The frogs of Chornobyl ... typical shade of this amphibian species. Tree frogs are usually bright green, while those inhabiting the area around Chornobyl are black. Scientists explain that ...

Learn more about what they think the black frogs of Chernobyl mean for the future ... has caused major mutations and even death in other species. The study's co-author, Dr. Germán Orizaola ...

These so-called "dunny frogs," often found hiding in toilets, showers and water tanks, have long been considered a single species, but new research has revealed they are actually three distinct ...

Their skin is smooth and a “vivid” shade of green “interspersed with irregular black spots ... The new species was named Amolops gudao, or the Gudao Cascade frog.