The tufted puffin (Fratercula cirrhata), also known as crested puffin, is a relatively abundant medium-sized pelagic seabird in the auk family (Alcidae) found throughout the North Pacific Ocean. It is one of three species of puffin that make up the genus Fratercula and is easily recognizable by its thick red bill and yellow tufts.
The Pribilof Islands (formerly the Northern Fur Seal Islands) are a group of four volcanic islands off the coast of mainland Alaska, in the Bering Sea, about 200 miles (320 km) north of Unalaska and 200 miles southwest of Cape Newenham. The Siberia coast is roughly 500 miles (800 km) northwest. About 200 km2 (77 sq mi) in total area, they are mostly rocky and are covered with tundra, with a population of 572 as of the 2010 census.