Most people would associate frogs with croaking, but the newly identified animals in Madagascar, an island off the south-east coast of Africa, emit bird-like whistling sounds in their communication ...

Pig frogs are named for their low grunting sound, which sounds like a pig’s “oink.” They mostly call to attract female frogs, ...

Scientists discovered seven new species of tree frog in Madagascar ... genetically and have unique calls. The “otherworldly” calls reminded researchers of sound effects in “Star Trek ...

Scientists have discovered seven new species of tree frogs in the lush rainforests of Madagascar. These small amphibians make strange, high-pitched whistling sounds that sound a bit like the sound ...