These tiny frogs have an enormous voice for their size, and the recent warm evenings have been filled with their lovely chorus.

On a private nature reserve in Costa Rica, Donald Varela-Soto searched for the source of a shrill frog call for six months. What he found turned out to be a new species, a tiny green tree frog that ...

A male spring peeper calls out for a mate. Screengrab from video by Oklahoma Department of Wildlife. You might not spot a spring peeper in the wild but you’d have no problem hearing one. The tiny tree ...

We had been waiting impatiently for the end of the winter cold. We wanted to hear the spring concert of the tree frog chorus. Finally, on April 25, as we drove the Beauty Lake Road, we heard that ...

Scientists suggest female frogs listen for changes in the male calls as a signal for when it's warm enough to mate.