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 ...

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 ...

Hiking through the dense rainforest of Madagascar, scientists heard a series of “otherworldly” sounds. The “somewhat bizarre” ...

A Boophis burnhamae, or Burnham’s tree frog. Photo from Mark D. Sherz “We’ve only scratched the surface of what Madagascar’s rainforests have to offer,” co-author Andolalao Rakotoarison ...

Madagascar, an island roughly the size of France, is home to about 9% of all the world’s frog species. “We’ve only scratched the surface of what Madagascar’s rainforests have to offer.