Brown bear lifespan and age in human years
Average lifespan about 25 years
Brown bear live about 25 years on average. Below is a chart converting Brown bear age into human years, plus a calculator.
How old in human years?
Age
Brown bear age chart in human years
Shaded rows are equivalent to human age 60+.
| Brown bear | Human age | Stage |
|---|---|---|
| 5 yr | 23 | Adult |
| 10 yr | 38 | Adult |
| 15 yr | 53 | Middle age |
| 20 yr | 69 | Senior |
| 25 yr | 84 | Elderly |
| 30 yr | 99 | Elderly |
| 35 yr | 115 | Elderly |
Brown bear profile
| Classification | Mammalia > Carnivora > Ursidae |
|---|---|
| Scientific name | Ursus arctos |
| Adult weight | about 2.8e+02 kg |
| Age of maturity | 3.6 years |
| Gestation | about 103 days |
| Litter / clutch size | 2 |
| Longest recorded | 40 years (captivity) |
Sources
How we convert ages: method.
More Wild & zoo animals
Asian elephantLifespan about 47 years
African bush elephantLifespan about 56 years
GiraffeLifespan about 18 years
LionLifespan about 17 years
TigerLifespan about 16 years
Giant pandaLifespan about 25 years
Red pandaLifespan about 10 years
GorillaLifespan about 35 years
ChimpanzeeLifespan about 40 years
OrangutanLifespan about 30 years
Japanese macaqueLifespan about 25 years
HippopotamusLifespan about 36 years