Polar bear, (Ursus maritimus) [PDF]. U.S. Fish and Wildlife service, [cit. 2008-03-22]. Appearance. The polar bear is the second largest member of the bear family, after Alaska’s Kodiak brown bears, which are larger than polar bears in size.. Dostupné online. (Overview page)
ecos.fws.gov
Polar bear, (Ursus maritimus) [PDF]. U.S. Fish and Wildlife service, [cit. 2008-03-22]. Appearance. The polar bear is the second largest member of the bear family, after Alaska’s Kodiak brown bears, which are larger than polar bears in size.. Dostupné online. (Overview page)