The northern leopard frog is often discussed as the earliest frog sound you’ll hear when the temperatures begin to rise. The more frog calls you hear, the better the ecosystem. Many frog calls begin ...

An international team of researchers have discovered seven new species of tree frogs that make otherworldly calls in the rainforests of Madagascar. Their strange, high-pitched whistling calls sound ...

CDR copy FW-ASCH-7RR-0747 consists of frog calls which were used in conjunction with a presentation entitled "Amphibean Calls and Their Significance," presented by Charles M. Bogert at an August 1954 ...

Seven species of frogs and one toad make the Northland their home. Each lays its eggs in water. Some stay in the water, others go off to live on land for the rest of the year. All give calls and songs ...