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 ...

TUCSON, Ariz.— Cattle have caused immense damage to critical habitat designated to help threatened Chiricahua leopard frogs recover throughout four national forests in Arizona, based on field surveys ...

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 ...

Northern leopard frogs are rapidly disappearing in the Northwest. Biologists hope this effort will help the population in Washington. Hundreds of endangered northern leopard frogs have hopped into the ...

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 ...