黇鹿
In the sea waters swim orcas, porpoises, seals, salmon, lingcod, shiner perch, saddleback gunnel and three-spined stickleback, among others. The largest land animal in the park would be the black-tailed deer. Fallow deer are also present but are an introduced species from some of the island's history as private hunting grounds. Other terrestrial animals include mink, river otters, raccoons and deer mice. Birds that be seen in the park include cormorant, bald eagle, red-tailed hawk, falcon, turkey vulture, rhinoceros auklet, Brant geese, great blue heron, Hermann's Gulls, and oystercatcher.