Polar bear the fourhorn sculpin. With the exception of pregnant females, polar bears are active year-round, although they have a vestigial hibernation induction trigger in their blood. Unlike brown and black bears, polar bears are capable of fasting for up to several months during late summer and early fall, when they cannot hunt for seals because the sea is unfrozen. When sea ice is unavailable during summer and early autumn, some populations live off fat reserves for months at a time, as polar bears do not 'hibernate' any time of the year. Being both curious animals and scavengers, polar bears investigate and
Agreement on the Conservation of Polar Bears Agreement on the Conservation of Polar Bears The Agreement on the Conservation of Polar Bears is a multilateral treaty signed in Oslo, November 15, 1973, by the five nations with the largest polar bear populations: Canada, Denmark (Greenland), Norway (Svalbard), the United States, and the Soviet Union. This treaty was brought about due to increased hunting of polar bears during the 1960s and 1970s which led to polar bears being under severe survival pressure from hunters. The agreement prohibits random, unregulated sport hunting of polar bears and outlaws hunting of polar bears from aircraft and icebreakers which have been the