There are around 220,000 brown bears, in North America, Europe, and Asia, occuring in several races.
Polar bears are mammals and give live birth.
Two to four is the normal litter size.
no they are mammals and are born like humans.
http://www.grizzlybear.org/gbstatus/griznum.htm
Up to about 500 grams at birth, small enough to hold in your hands.
There are black bears, but no brown bears there.
No. Grizzly bears are a subspecies of Brown bears, so that although all Grizzly bears are Brown bears not all Brown bears are Grizzly bears.
the brown bears are endangerd because they are brown
Brown bears can be brown, black or white!
Kodiak bears are the largest subspecies of brown bear. They equal polar bears in size. These two bears are the largest members of Carnivora.
Yes. Brown bears are bigger than grizzly bears. The grizzly bear is a race of the brown bear. The European race and the North American inland grizzly are roughly the same size, males can reach 800 pounds or more. The really big brownies come from coastal areas, as the Katmai and Kodiak bears.