How long do grizzly bears live?

The grizzly bear (Ursus arctos ssp. ) is a large population of the brown bear inhabiting North America. Scientists generally do not use the name grizzly bear but call it the North American brown bear. read more

The oldest known black bear to die of natural causes in the wild was 39 years old, but bears in captivity often live into their 30s. The life expectancy of polar bears living in the wild is 15 to 18 years. read more

The average life span of grizzly bears is 25-30 years, rarely more. The mating period in the Grizzlies occurs from May to June. It is believed that males smell read more

A grizzly bear will dig its den into the side of a hill or on the ground and may remain there for as long as seven months. Pregnant female grizzly bears and females with cubs begin hibernation in the fall, while single males go into hibernation last. read more

Grizzly bears are one of the slowest reproducing land mammals. Females do not typically reproduce until they are four or five years old. Grizzly bears mate between May and July, but the female’s body delays implantation of their eggs in the uterus until October or November. read more