Dolphins are notoriously smart – expressing emotions like joy and grief; maintaining cooperative social networks; and solving ...

Add Yahoo as a preferred source to see more of our stories on Google. Huge hippo charging at three lion brothers in the evening light. Wild animals in the nature ...

Scientists and tourists alike have been amazed by the massive sea lion hanging out on a San Francisco pier. The species can grow nearly twice the size of California sea lions.

Wild sea lion Chonkers has taken up residence at San Francisco's Pier 39 Kevin Buckholtz Chonkers, a 2,000-pound Steller sea lion, has become Internet famous for his massive size The mega mammal ...

Roughly 400 domestic animals were killed by mountain lions in El Dorado County the last two years. Could state proposals help?

A mountain lion set off a dramatic wildlife response in a busy Escondido neighborhood, ending in a tranquilizer takedown, a drone-assisted pursuit and a nighttime release back into the wild near the ...

A lion versus hippo showdown may seem like an unlikely contest, but you would be surprised at just how many clips of this type of encounter can be found online. In this Instagram clip, the lions are ...