Great blue herons patrolling the shallows. And the sound of a green frog. “It sounds like a banjo that’s out of tune,” said North Branch Land Trust naturalist Rick Koval as he held the green frog we ...

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 ...