Steller's sea cow ("Hydrodamalis gigas") is an extinct species of sirenian that was found exclusively around the Commander Islands at the time of its discovery, which are situated in the Bering Sea between Alaska and Russia.
Steller's sea cow ("Hydrodamalis gigas") is an extinct species of sirenian that was discovered in 1741. At the time of its discovery, it was found only in the Commander Islands, which are situated in the Bering Sea between Alaska and Russia.