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 more like sound effects ...

Seven new species of tree frogs in Madagascar's rainforests are notable for their otherworldly, high-pitched whistling calls.

Madagascar is a place of biological wonders, an island brimming with life forms that exist nowhere else on Earth. It’s home ...

NPR's Short Wave tells about an ambitious plan to protect monarch butterflies from climate change, new research about a massive ocean migration, and seven new frog species found in Madagascar.

If you think all frogs croak, you'd be wrong. Seven newly discovered species from the tree frog genus Boophis, found across the rainforests of Madagascar, emit special bird-like whistling sounds ...

The calls of these frogs are known as advertisement calls — a type of self-promotion to convey information about the male ...

Researchers have discovered seven new species of frogs in Madagascar and say the high-pitched whistling calls they make are like sound effects from Star Trek. Most people would associate frogs ...