A brown bear lives a naturally long life. Males commonly live to 25 in the wild and females about 37. The species can live to 48 years in captivity.
some actions are keeping them in captivity and breeding them in captivity
grizzly bears usually live for about 40 years in captivity
it has evolved from being a brown bear into a polar bear as they were originally brown bears but they lived in the glaciers in siberia so they eventually evolved.
Their life-span is around 25 years in the wild - maybe longer in captivity.
If brown bears and koalas lived on the same continent, it is entirely possible that a brown bear could kill a koala. However, given that their respective continents are half a world apart, a brown bear would not kill a koala.
There are now no bears in Africa. The Atlas bear once lived in north Africa, but this subspecies of the brown bear is now extinct.
In captivity, polar bears live to their mid to late 30's. In the wild they live an average of 15 to 18-years. Scientists have tagged a few polar bears in the wild that have lived to be in their early 30's.
The brown bear.
The Brown bear is way bigger then the black bear. The brown bear is also more aggressive.
if it's a brown bear, yes if it's a black bear, no if it's a polar bear, no if it's a grizzly bear, yes
Brown bear, and the grizzly is a race of the brown bear.
The Kodiak is a race of the brown bear.