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

Silent night? Not in many parts of Alabama that are home to chorus frogs. The Ornate Chorus frog has black splotches and a distinct call. Its prime breeding time is December. “It’s just a real sharp, ...

Animals do all sorts of things to attract each other as potential mates. Many birds, for example, produce feathers with ...

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 ...

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

For some, robins are the first sign of spring. But the changing of the seasons may be more accurately forecast by songs from a wet forest floor. Tags ...

As dusk falls over some swamps and ponds, the air fills with frog calls — sharp, steady, and almost always from males. For decades, scientists have focused on these loud, attention-grabbing sounds.

The croaking of frogs and toads is as much a part of spring as birdsong and gardening. When these creatures head to ponds and pools in search of mates, it’s hard to miss–though not everyone ...

Add Yahoo as a preferred source to see more of our stories on Google. A Pacific tree frog (Pseudacris regilla) male calls at Washington state's Conboy Lake National Wildlife Refuge. Cyril Ruoso, ...

For some, robins are the first sign of spring. But the changing of the seasons may be more accurately forecast by songs from a wet forest floor. On a warm night, wander near any fresh water and you’ll ...

When ice and snow begin to melt in California's high-elevation waters, male frogs hop into action. Emerging from hibernation, they head to lakes and ponds scattered throughout the area and begin ...