Stone-Age cannibalism, elephant seals act as deep sea sentinels, rabbits eat their own teeth, and our ears used to be gills.

Elephant seal bulls are washing up at San Simeon Cove ... Bulls bump chests and rip and tear at each other with their teeth. They have big canines. They also fight for dominance, chasing other ...

Pups at the Piedras Blancas rookery in San Luis Obispo County are shedding their neonatal coats. The weaner on the left has its first countershaded coat. The one on the right is molting its black ...