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

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

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

On warm spring nights across North America, male frogs belt out their distinctive mating calls from ponds and wetlands. But those chirps and croaks may not just be pickup lines. They might partially ...

A new study reports that city frogs sing more complex and attractive songs than their country cousins. Urban frogs can get away with producing more conspicuous mating calls, which are preferred by ...

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 ...