A batch of 1,000 rare tadpoles raised at the Phoenix Zoo landed in a new home at the Grasshopper Tank in the Tonto National Forest, part of ongoing efforts to boost the population of the threatened ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. FLAGSTAFF, Ariz. (AP) — A rare frog has been ...

Leopard frogs could lead to a decrease in spotted frogs. "However, spotted frogs are common on the Reservation and occur in some habitats that are unlikely to be colonized by leopard frogs," the ...

Alan Zhou / OPB Plans to develop a new population of endangered frogs are hopping along in Eastern Washington. This month, nearly 100 northern leopard frogs reared at the Oregon Zoo were released into ...