Efforts to recover the population of the northern leopard frog at the Columbia National Wildlife Refuge are bearing fruit, according to NonStop Local. The northern leopard frog has survived winter ...

Once the most abundant and widespread frog species in North America ... and water acidity. Northern leopard frogs are so named for the array of irregularly shaped dark spots that adorn their ...

A native to Indiana, the Northern USA, and Canada, the Northern leopard frog, Rana pipiens, has had historical, impactful roles in the study of endocrine disruption, cancer and drug discovery, ...

DESCRIPTION: The relict leopard frog is a small, spotted frog with an adult body length of 1.75 to 3.5 inches. The dorsal color is brown, gray, or greenish with greenish-brown spots. A glandular dorso ...