which some compare to the sound of a pileated woodpecker. The females of this species tend to prefer longer, higher-pitched calls from potential mates. Male bird-voiced tree frogs use a technique ...

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 ...

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 ...

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 ...

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 ...