Red-legged frogs cross a busy Portland highway with help from the “Frog Taxi.” The resident reg-legged frogs that live in Portland’s Forest Park have a dangerous migration route to and from their ...

The croaking of frogs and toads is as much a part of spring as birdsong and gardening. When these creatures head to ponds and pools in search of mates, it’s hard to miss–though not everyone ...

Put a microphone outside overnight in Southern California not far from the urban sprawl, and you might be surprised how much you can hear. (SOUNDBITE OF ANIMAL HOWLING) SUMMERS: But for scientists ...