Someone in northwestern Australia heard a “laughing” sound coming from the backyard. They recorded the sound and submitted it to a citizen science database. Scientists listened to this laugh-like ...

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 ...