LOS ANGELES — The Los Angeles Zoo has released 450 tadpoles and 193 subadult southern mountain yellow-legged frogs into the streams of the San Gabriel Mountains in an effort to restore the species ...

A 161 million-year-old fossil, linked to a line of extinct frog-like amphibians, is the oldest tadpole ever found. By Asher Elbein The metamorphosis of a frog from baby to adult is one of nature’s ...

Have you ever wondered how city life affects animals like frogs? A new study reveals that urban Túngara frog tadpoles develop faster —but end up being smaller — than tadpoles from forests, probably ...

An exquisitely preserved fossilised tadpole is the oldest ever discovered by science, dating back 161 million years, with an anatomy that is strikingly similar to some of today’s species.

Dusky Gopher Frog tadpoles on display in an aquarium at the Mississippi Sandhill Crane National Wildlife Refuge visitor center. (Paula O'Briant/USFWS) (CN) — Step along the banks of a small seasonal ...