Steller's Sea Cow was "discovered" in 1741 in the Bering Sea. Sailors killed the slow-moving animals for food, and by 1768 they were extinct. The rib bone is very dense, has no hollow or marrow and is various shades of tan and brown. Great for carving, hidden tang or slab handle knives, sword and takes a high polish. Pieces up to 2' long, please call with your requirements.