Why does a polar bear migrate?

Answer 1

Not really. They don't travel far distances like whales and most birds do, they stay in the same area year after year. Sows "migrate" inland during the winter to hibernate and give birth to her cubs, but then travel out to the sea to begin hunting. During the short summer months polar bears are found on the mainland close to the ocean living off of lichens and lemmings and probably some berries, not venturing out to the ocean.
Polar bears will move inland during the winter to build their dens, which could be considered migrating. However, they don't do it cross-country like birds do, and don't move too far.

Answer 2

The short answer is food and weather. In eastern Canada, they follow the seals out onto the frozen Hudson Bay, because seals seem to be their favorite food.

WARNING: Polar Bears have NO KNOWN predators. THEY WILL EAT YOU.

Okay, so: When the ice melts, Polar Bears have been seen SIXTY MILES FROM SHORE, swimming back toward shore. Along that shore lies the POLAR BEAR CAPITAL OF THE WORLD (Churchill, Manitoba) where a "Polar Bear Jail" is NECESSARY.

SEE THE LINK!

Answer 3

Most bears including brown bears do not migrate, they hibernate. Some bears move locations shortly before they hibernate but this is not common.

Answer 4

It migrates so it can be cold. and

Polar bears migrate for 2 reasons , first when it gets too hot or if there is not enuf food second their home is to small

Answer 5

Yes a polar bear does migrate