Bears on planet earth

Polar Bears	Female Polar bear

Polar bears are carnivores. They live in the Arctic circle and the surrounding area.
Polar bears are large. An adult male weighs weighs betweem 300 and 700 kg, the females are generally half that size of the males.
They hunt mainly seals and spend a lot of time in the water and on pack ice.
The pregnant females dig themselves into a den in the snow in the autumn and go into a hibernation like state. The cubs are born during this time. The female polar bear awakes from hibernation in early April and digs herself and the cubs out of the den. She is then faced with the task of finding food to feed both herself and the cubs.

Mother Polar Bear and Cubs Emerging from Den
BBC Planet Earth

Brown Bears	Kodiac bears
Brown bears are large bears found across northern Eurasia and North America. They are also known as grizzly bears. They can weigh up to 700 kg (1500 lb).	The Kodiak bear, also known as the Alaskan brown bear, is a subspecies of the Brown Bear. It inhabits areas of Alaska.