Kodiak Bear Fact Sheet // Alaska Department of Fish and Game, Division of Wildlife Conservation, 2008. Посетен на 27 октомври 2008. (на английски)
fws.gov
fws.gov
Polar bear, (Ursus maritimus) (PDF) // U.S. Fish and Wildlife service. Архивиран от оригинала на 11 юли 2008. Посетен на 22 март 2008. Appearance. The polar bear is the largest member of the bear family, with the exception of the Alaska’s Kodiak brown bears, which equal polar bears in size. (на английски) (Overview page)
ecos.fws.gov
Polar bear, (Ursus maritimus) (PDF) // U.S. Fish and Wildlife service. Архивиран от оригинала на 11 юли 2008. Посетен на 22 март 2008. Appearance. The polar bear is the largest member of the bear family, with the exception of the Alaska’s Kodiak brown bears, which equal polar bears in size. (на английски) (Overview page)
Polar bear, (Ursus maritimus) (PDF) // U.S. Fish and Wildlife service. Архивиран от оригинала на 11 юли 2008. Посетен на 22 март 2008. Appearance. The polar bear is the largest member of the bear family, with the exception of the Alaska’s Kodiak brown bears, which equal polar bears in size. (на английски) (Overview page)