because they need to get there food or to get to land.
No polar bears use their large paws to help them swim because they sometimes swim up to 60 miles without resting.
polar bears are big to keep them up when they are in the water.
Polar bears can live up to thirty years.
Polar bears have been known to swim extremely long times and cover hundreds of miles. Recently a polar bear fitted with a tracking device managed to swim for over 9 days and covered 426 miles.
polar bears can get up to 500 to 2,000 pounds or 227 to 907 kg.
black bears - up to 60 mph but grizzly bears can swim forever apparently. and they can swim for up to a minute underwater (:
Wild polar bears are found up north in the Arctic. You will NEVER find a polar bear in the Antarctic.
polar bears are big to keep them up when they are in the water.
Polar Bears migrate with their young every year. When temperatures warm up Polar Bears migrate to land to find food.
I think you got mixed up. I think you mean to say " Where do Polar Bears live " Polar Bears live in the North Pole.
yes
Polar Bears live about 20-30 years in the Wild.... in captivity they can live up to 45 years You can find out how old a polar bear is by removing a tooth (but be very careful when you do this!). There is a ring on the tooth for each year that the polar bear is alive. Just like with trees. Female polar bears live up to their late 20's Male polar bears live up to 20 years old