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 ...

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 ...

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 ...