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

THE SANTA ROSA PLATEAU ECOLOGICAL RESERVE, Calif. (AP) — The scientist traipses to a pond wearing rubber boots but he doesn’t enter the water. Instead, Brad Hollingsworth squats next to its swampy ...

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 ...

Someone in northwestern Australia heard a “laughing” sound coming from the backyard. They recorded the sound and submitted it to a citizen science database. Scientists listened to this laugh-like ...

This is an archived article and the information in the article may be outdated.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, ...