NPPSD. 2005. North Pacific Pelagic Seabird Database, Short-tailed Albatross. USGS Alaska Science Center & U.S. Fish and Wildlife Service, Anchorage, Alaska, USA. Version 2005.06.07, meer
USGS Alaska Science Center, 4210 University Drive, Anchorage, Alaska 99508, 20101231, Catalogue of Polar Bear (Ursus maritimus) Maternal Den Locations in the Beaufort Sea and Neighboring Regions, Alaska, 1910 – 2010: U.S. Geological Survey Data Series568., meer