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 ...

OTHELLO, Wash. — Nearly 300 endangered northern leopard frogs returned to the wild at the Columbia National Wildlife Refuge in Grant County at the end of August. The Washington Department of Fish and ...

This is an archived article and the information in the article may be outdated.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 ...

The federal government will designate more than 10,000 acres in Arizona and New Mexico as prime habitat for the threatened Chiricahua leopard frog. More than a dozen streams and many livestock ...

OTHELLO, Wash. — Nearly 300 endangered northern leopard frogs hopped back into the wild at the Columbia National Wildlife Refuge in August. The northern leopard frog has been listed as endangered in ...

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 ...

OTHELLO, Wash. – Some of the frogs leapt straight into the water. Some tried to eat. Others headed for the fence, trying to scale it and escape the small pen made for them. The 300 northern leopard ...

Efforts to recover the population of the northern leopard frog at the Columbia National Wildlife Refuge are bearing fruit, according to NonStop Local. The northern leopard frog has survived winter ...

PORTLAND, Ore. (KATU) — The Oregon Zoo will soon release a hundredimperiled northern leopard frogs into the wild soon. According to Oregon Zoo officials, the eggs were brought to the zoo by ...

Between 35 and 50 leopard frog tadpoles originally were dropped into each pond when the experiments began about four years ago. Now, the East Side pond populations peak at 300 but can drop to as low ...

Northern leopard frogs were found near the site of what would be one of state’s largest fossil fuel operations. Hanophy and hundreds of Aurora residents are hoping the imperiled vertebrate will help ...