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 ...

Quick Take Boulenger’s backpack frog females carry fertilized eggs in a dorsal pouch, providing protection and moisture. ...

A deadly fungus has already wiped out 90 species and threatens 500 more but Anthony Waddle is hoping gene replacement could be their salvation ...

Nearly 600 California red-legged frog tadpoles that were raised at the Aquarium of the Pacific in Long Beach were released into streams in the Santa Monica Mountains, marking a hopeful step in ...

For more than 10 years, the San Diego Zoo Wildlife Alliance has led an effort to bolster the population of a threatened species, the mountain yellow-legged frog. But as the zoo’s facilities have ...

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 ...

Tadpoles have decided not to turn into frogs because of this year's bad weather. The young amphibians usually begin their transition into frogs in the UK during April and May, but they have been seen ...