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 ...

With a body the color of dead leaves and a black “mask” extending behind the eyes, the wood frog is unmistakable if you can actually find one. Credit: PHOTO BY BILL DANIELSON During a recent lecture ...