Pups at the Piedras Blancas rookery in San Luis Obispo County are shedding their neonatal coats. The weaner on the left has ...

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

Elephant seal pups are only a month or two old ... They lose their baby teeth and get their permanent teeth, so they can hunt their own food. The better to eat fish with! Pups aren’t born ...