The yellow-spotted tree frog is pale green with bronze patches that highlight dark spots. It has entirely webbed toes and is set apart from other frogs by the cream markings on its thighs. It’s ...

On a mountain in southern China, a blotchy brown creature with yellow fingertips perched on some bamboo. Its “large” eyes scanned the surrounding forest, but it wasn’t the only one looking around.

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.

Passing scientists spotted the animal — and discovered ... During their visits, the team found a few unfamiliar-looking tree frogs that weren’t mentioned in any records of the region, the ...