23 Species are Now Declared Extinct - Ocean Conservancy

9 Extinct Exotic Sea Creatures

11 Recently Extinct Animals

The Steller’s sea cow was a gigantic relative of modern manatees, reaching lengths of up to 9 meters and weighing around 10 tons. It lived exclusively in the shallow, cold waters around the Commander Islands, where it fed on kelp. When Europeans first encountered it in 1741, the animal displayed no fear of humans, moving slowly, staying near the shore, and not fleeing when approached. Sailors and fur traders quickly recognized how easily it could be hunted. The sea cows’ social behavior—returnin

Steller's sea cow - Alchetron, The Free Social Encyclopedia

Steller's Sea Cow