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 ...

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. — 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 ...

Washington wildlife managers released hundreds of endangered northern leopard frogs into Washington’s channeled scablands Tuesday evening. About a dozen of those frogs were outfitted with small radio ...

The Atlantic Coast leopard frog, first identified in an industrial section of Staten Island in 2012, is now on the state’s endangered species list. Conservation groups see an opportunity. By Aaron ...

For the fourth time, hundreds of endangered frogs were released into the Columbia National Wildlife Refuge with the intent to revitalize their population. The roughly 500 northern leopard frogs were ...

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 ...

STATEN ISLAND, N.Y. — Staten Island’s largest environmental group is pushing for the inclusion of a rare local frog on the state endangered species list, as the frog’s numbers are dwindling in the ...

In the gardens and parks of Toyota City, Japan, a small creature turned out to be a new species. Getty Images/iStockphoto To many across the islands of Japan, small tree frogs, or amagaeru, are a ...

PORTLAND Ore. (KPTV) - A hundred northern leopard frogs will soon be released into the wild, the Oregon Zoo announced Monday. The frogs, currently tadpoles, came to the zoo as eggs from the Washington ...

The Phoenix Zoo recently released 1,000 tadpoles into the Tonto National Forest, part of a program to save the threatened Chiricahua leopard frog. The zoo collects eggs every year, and those eggs ...