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
The Polar Bears looking after his little sister Kaia along with his elder brother Zook. Hearing part of Kaskae's speech about reaching new heights, Jak rushes to the peak of the tundra with Zook trailing him. As soon as both brothers reach the top, Jak shoves Zook before they both slide down and crash their father's speech. The family then discovers an unattended Kaia dancing with a flock of puffins. The other polar bears are not amused by the scene, as their kind are not supposed to socialize with the puffins, but Jak jumps in the water to join in the fun. Kaskae