How long do bears live?
The average life span of a black bear is about 22 years in the wild, according to the U.S. Fish & Wildlife Service. The average life span for a grizzly bear is closer to 30 years. While the lifespan of a black bear may seem short, you must keep in mind that they are generally living longer in the wild because of conservation efforts.
How long do grizzly bears live?
The average lifespan of a grizzly bear is between 20-30 years in the wild. They may live one or two decades longer in captivity. It’s not unusual for grizzly bears to live to the age of 70 in the wild. Males are known to reach sexual maturity at around age 4. After that, they grow an average of one to two inches a year.
How long do black bears live?
The lifespan of black bears varies based on their gender, age, and location. In the northern part of their range, black bears can live up to 30 years. The lifespan of male black bears is 20 to 25 years, while the lifespan of females is between 20 and 30 years. Males often live longer than females because they are able to compete for mates. In the southern part of their range, black bear lifespan is shorter. As a result, this allows for more bear cubs to reach sexual
How long do polar bears live?
This depends on the subspecies. For the northernmost subspecies, the average lifespan is about 28 years, while the most southern subspecies has an average lifespan of 22 years. While these are longevity records for terrestrial mammals, the average lifespan of a polar bear in the wild is less than 20 years.
How long do brown bears live?
Research suggests that North American brown bears can live between 20 and 30 years in the wild. However, life expectancy in captivity is typically less. The oldest known wild bear in North America lived to the age of 50. Most captive North American brown bears live between 20 and 25 years.