Once the most abundant and widespread frog species in North America, leopard frogs were widely collected not only for dissection but for the food industry (frog legs) as well. However, massive ...

Despite the recent success, the northern leopard frog still has a ways to go in Washington. Experts stunned after endangered ...

The relict leopard frog has the dubious distinction of being one of the first North American amphibians thought to have become extinct. Although the species was known to have inhabited more than 60 ...

These frogs were leopard frogs. Bullfrogs are scarce in Wisconsin. They are native onto to North America. 20 years ago they were introduced into Japan & 50 years ago into Cuba. In Oconto a ...

Leopard frogs are endemic to North America but have been classed as endangered since 1999. The frogs were collected by the Oregon Zoo when they were eggs and released once they had matured.

The largest of all North American frogs, this giant can grow to a length of 8 inches or more and weigh up to 1.5 pounds. Even the tadpoles of this species can reach 6.75 inches in length.

The relict leopard frog has the dubious distinction of being one of the first North American amphibians thought to have become extinct. Although the species was known to have inhabited more than 60 ...