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 ...

Deep in the forests of Madagascar, researchers have discovered seven new species of frogs and named them after characters from Star Trek. “The calls of the frogs remind us strongly of iconic ...

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