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

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 ...

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

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 ...

Animals do all sorts of things to attract each other as potential mates. Many birds, for example, produce feathers with elaborate color patterns – from the iridescent plumage of many hummingbirds to ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. THE SANTA ROSA PLATEAU ECOLOGICAL RESERVE, ...