Northern Fur Seal
Callorhinus ursinus
Herring, mackerel, squid and other fish
Ocean pollution, fishing gear entanglements, climate change
Dense, chestnut-colored underfur
Alaska fur seal
Water, ice slab, coastal beach
Northern fur seal
Northern Pacific, Bering Sea, Sea of Okhotsk
18 to 27 years
5 to 10 feet
Killer whales, sharks