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

There, a lonesome gray tree frog perched on the deck, hoping someone other than a two-legged mammal would answer his call. If your home is in the woods, chances are you've heard the nonstop trills of ...

Every other Friday, the Outside/In team here at NHPR answers listener questions about the natural world. Today's question comes from Andy, calling from Dover, New Hampshire. Alejandro Vélez: That is a ...

Male green treefrogs attract mates with loud calls, but new research shows parasites can subtly change those signals.

The high trembling call of a tree frog sounded from a computer. Scott Jervas, aquarium manager at the Berkshire Museum, ran his hands over the keyboard with a live gray tree frog sitting on his thumb.

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 ...