The area is home to huge colonies of gannets, puffins, skuas and other seabirds. Predators include other larger fish, seabirds and marine mammals. Cormorants are medium to large coastal, fish-eating seabirds. Albatrosses are large seabirds in the family Diomedeidae. Gulls are medium to large seabirds including kittiwakes. The region is a habitat for salmon, sea otters, seals and seabirds. Their predators include dolphins, sharks, fish, seals, seabirds, and other cuttlefish. Tropicbirds are a family of tropical pelagic seabirds. The islands that do have vegetation provide important habitats for many seabirds and sea turtles. The main indigenous animals are insects along with large populations of seabirds, seals and penguins. Anchoveta are an important component in the diets of marine mammals, seabirds, and larger fish. Henderson Island is important for its endemic land-birds as well as its breeding seabirds. There are about 70 species of birds, including 31 seabirds. Crustaceans and occasionally seabirds are also taken. Eight species or subspecies of seabirds nest on it.