As tiny glass frogs fall asleep for the day, they take almost 90 percent of their red blood cells out of circulation. The colorful cells cram into hideaway pockets inside the frog liver, which ...

A new study from the Smithsonian Tropical Research Institute (STRI) shows that red-eyed treefrog embryos hatch early when exposed to high ammonia levels — an environmental cue that it’s too hot and ...

This video shows a close-up view of a colorful red-eyed tree frog resting on a moss-covered branch in the tropical rainforest ...

NASHVILLE, Tenn. (WKRN) — Nonprofit Red Frogs USA is making sure that the thousands who will be downtown Nashville for the 4th of July make it home at the end of the festivities. Safety is at the top ...