November 30 is Lost Species Day.
Steller’s sea cow, a cold water relative of the manatee and dugong, was unknown to modern people until 1741. At that time, the crew of Vitus Bering’s ship, the Sv. Piotr was ship-wrecked off the coast of Kamchatka, where the last remaining herds of these mammals lived. Through overhunting, Steller’s sea cow went extinct thirty years later.
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