Their diet is very broad and they can feed on many vertebrates in the ocean including salmon, rays, sharks (even white sharks), large baleen whales, and nearly 20 species of pinniped.
As súas dietas son moi amplas e poden alimentarse con moitos vertebrados do océano incluíndo o salmón, raias, tiburóns (incluído o tiburón branco), grandes misticocetos, e case 20 especies de pinnípedes.