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 ...

Springtime in the Bay Area brings with it lush green landscapes, vibrant wildflowers and buds breaking open on trees. And in some places, the soundtrack to all that visual beauty is the chorusing of ...

Long believed to be a single species hopping along stream banks across Borneo, a common rainforest frog is revealing itself to be several different species. It’s also leaving scientists with questions ...