How long do grizzly bears live in the wild?

grizzly bears can live to 80 years in the wild, although the average life expectancy is closer to 30 years. However, the maximum life expectancy is closer to 40-50 years. In captivity, grizzlies can live up to 20 years or more.

How long do grizzly bears live in the wild east?

grizzly bears in the eastern United States live up to an average of 28 years in the wild. However, in areas with low human density, like Yellowstone, grizzlies may live to an average age of around 50 years. This is one of the longest life expectancies among large mammals in the world.

How long do grizzly bears live in the northern USA?

Grizzly bears typically live for 20 to 25 years in the northern Rockies and northern Sierra Nevada. The average lifespan of a grizzly in the northern Rockies is 22 years, while in the northern California grizzly population it is 23 years. The average lifespan throughout the grizzly’s range is 22 years.

How long do grizzly bears live in the wild Canada?

In the Northern Rocky Mountains, a grizzly bear’s lifespan is estimated between 30 and 40 years. Their maximum lifespan is estimated at around 70 years, although some grizzlies are known to live to the age of 100 or more. Grizzly bears can live to a maximum age of around 30 years in the lower-density populations and up to 50 years in the higher-density populations.

How long do grizzly bears live in Alaska?

The lifespan of a grizzly bear in the wild is about 22-28 years in the northern populations, and about 30 years in the southern grizzlies. The longevity of grizzlies in the northern subspecies is partly due to the fact that they are able to eat a high calorie diet of caribou, moose and other large mammals.