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 ...

Hiking through the dense rainforest of Madagascar, scientists heard a series of “otherworldly” sounds. The “somewhat bizarre” calls came from several “cute” creatures living near streams. They turned ...

It's the next generation -- of tree frogs. A new species was discovered in Madagascar and named for having "Star Trek" like cadences. Paramount/courtesy Everett Collection Beam me up, froggy. Deep in ...

They used to be classified in the same family as what we call tree frogs, like the Grey Treefrog (another great noisy animal) in genus Hyla, but have been recently reclassified to the genus Pseudacris ...