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 ...

PORTLAND, Ore. (KTVZ) — A hundred imperiled northern leopard frogs will be hopping back into the wild soon, thanks to a recovery program at the Oregon Zoo. The rapidly growing tadpoles were brought to ...

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 ...

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 ...

The government of Alberta, Canada, announced that reintroduction efforts to help northern leopard frog populations bounce back have been a success. The frog species was once incredibly common in ...

This is an archived article and the information in the article may be outdated.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

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 ...

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 ...

A new species of frog has been found hiding in plain sight in one of the busiest places on Earth: New York City. For years, biologists mistook the frog for a more widespread variety of leopard frog.

They look as if they were painted by hand. The rare Northern leopard frog and its cousin, the pickerel frog, are both so vividly colored that they look as if they belong in a tropical rain forest.