Bering Island
Bering Island also has numerous seabirds. UNESCO noted that 203 bird species have been sighted on the Commander Islands, including 58 nesting there. Puffins are abundant, although the semi-flightless spectacled cormorant became extinct circa 1850. Two species of the Arctic foxes that tormented Bering's crew remain. Humans introduced reindeer, American mink and rats to the islands, with negative effects on native wildlife.