Eating lots of food to get fatter so they'll be warmer.
They collect nuts and store them and hibernate only to wake up to eat or run away from something
They have to hibernate when they get ready for winter.
they start to find food and start looking for a cave.
Bears do not change their fur for the winter.
the winter is not good for the polar bears because they find their prey less in the winter.
Polar bears eat fish and seal During the winter.
Polar bears are busy chasing seals on Hudson Bay in the winter.
in the winter
In the winter
they hibernate
yes
Scientists have done many experiments and the result is that mostly all bears hibernate/sleep the whole winter. There are very few types of bears that do not hibernate the whole winter. The sloth bear, though, does sleep all winter.
Poler bears adapts to winter Seals adapt to winter