Sometimes, the only way to spot a tiny critter like a small, very rare frog, or an insect the color of leaves, is by listening for its signature ballad to pierce the cacophony of forest sounds. A team ...

All over the world, different types of frogs call out in various ways to warn others or attract mates Olivia Ferrari Different species of frogs call out in various ways, and they may sound like ...

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 ...