If you’re out on a walk in early spring and you happen to hear clucking, don’t start looking around for barnyard birds. The wood frog is one of the first frog species to emerge in late winter in the ...

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 ...

A Web site called Bzzzpeek--that's B-Z-Z-Z peek--.com demonstrates how animal sounds can differ around the world. The creators are Agathe Jacquillat and Tomi Vollauschek, who join us from our studios ...