GRANDDAD: Not many - their fur was still brown and that meant the seals could still see them coming. BEAR: Oh, no! Fish again! GRANDDAD: One day, a brown bear was born that had lighter fur ...

They include the Guadalupe fur seal of Baja California, the brown fur seal of southern Africa and Australia, and the South American fur seal. Fur seals have sharp eyesight and keen hearing.

Why did the brown bear evolve into ... cold and inhabited by seals living on ice. The bears were hungry but their paws weren’t good for walking on snow and ice, their fur wasn’t thick enough ...