It is one of six species of sea lion. Marine mammals include sea otter, harbor seal and Steller sea lion. Sea lion skin was sometimes used as well. Rarely they may feed on crustaceans, insects, and sea lion feces and afterbirth. They were often decorated with paints, beads, sea lion whiskers and ivory figurines. The baidarka (small skin boat) was a small boat covered in sea lion skin. In 1964, The sea lion pool was built. Thousands of sea lion pups are starving in California leading to forced beachings. Therefore, the fur seal/sea lion subfamily distinction has been eliminated from many taxonomies. There is a sea lion colony next to Pier 39. The supporters are a Devon bull and a sea lion. His circus act is cannon along with Stefano the sea lion. The Navy's version, known as the NH90 Sea Lion, is based on the NH90 NFH. Part of Operation Sea Lion, the German invasion plan, envisaged landings at Eastbourne. The California sea lion differs from the Galapagos sea lion in its greater sexual dimorphism.