While in search of dinosaur fossils, a team of Argentine and Chinese scientists in Argentina found something else instead: parts of a tadpole’s skull and backbone, preserved in a slab of sandstone.

JACKSONVILLE, Fla. — The Jacksonville Zoo and Botanical Gardens is celebrating a record-breaking year in its mission to save a critically endangered toad. This year, the zoo flew 24,485 Puerto Rican ...

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 where they were ...