When frog males attempt to attract a mate, their loud calls are competing with other males, and the calls of other species. For the females the noise problem is a little like a lively cocktail party.

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 ...

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 ...