They have to hibernate when they get ready for winter.
Polar bears eat fish and seal During the winter.
the winter is not good for the polar bears because they find their prey less in the winter.
Polar bears are busy chasing seals on Hudson Bay in the winter.
Winter
there fur and dens.
same same
Polar bears have blubber, which is like extra fat, under their fur and that helps to keep them warm during the winter. They also grow out their winter fur coats to keep themselves warm during the winter.
Polar bears eat next to nothing during the summer time. They may try to catch a few lemmings, some birds and eat some birds eggs, but other than that they're waiting around until winter comes back again. During the winter polar bears feast on seals, walrus and some whale.
the polar bears fur sits down flat in summer in winter their fur is all fluffed up
Polar bears, arctic fox and yak etc.
Yes, for three months while they are pregnant.
No not all polar bear cubs survive the harsh long winter.