The World of Polar Bears Links Polar Bears – by Encyclopædia Britannica Polar Bears – by WWF Polar Bears – by WikiPedia Polar Bears – ICUN (International Union for Conservation of Nature) Red List Entry Polar Bears – by Polar Bear Facts Polar Bears – by U.S. Department of the Interior/U.S. Fish and Wildlife Service Post navigation Next postThe whole of “The World of Polar Bears”Previous postIndex Category: The World of Polar Bears Next Stories Index Attack on humans Behavior Birth Body temperature Blubber, polar bear Breeding Carnivore lethargy Classification, scientific Claws Coloration Communication Conservation Cub Delayed implantation Den Diet Diesease Distribution Diving ... References and Bibliography / Books References and Bibliography Derocher, A.E. and I. Stirling. “Observations of aggregating behaviour in adult male polar bears (Ursus maritimus).” Canadian Journal of Zoology 68, 1990, pp. 1390-1394 Dalziel, Ia ... Conservation A. First International Scientific Meeting on the Polar Bear, 1965 Growing public concern about polar bear hunting and other human activities in the Arctic, such as oil exploration, led to the First International Scientific Meeting ...