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European bison

European bison lifespan and age in human years

Longest recorded 26.4 years

🏆 The longest-lived european bison on record reached 26.4 years in captivity.

European bison (Bison bonasus). The oldest known individual lived 26.4 years; this chart maps that record to a human age of 120. Most individuals live considerably shorter lives than the record.

How old in human years?

Age

European bison age chart in human years

Shaded rows are equivalent to human age 60+.

European bisonHuman ageStage
5 yr31Adult
10 yr51Middle age
15 yr72Senior
20 yr93Elderly
25 yr114Elderly
30 yr135Elderly
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European bison profile

ClassificationMammalia > Artiodactyla > Bovidae
Scientific nameBison bonasus
Adult weightabout 6.1e+02 kg
Age of maturity2 years
Gestationabout 270 days
Litter / clutch size1
Longest recorded26.4 years (captivity)

Sources

How we convert ages: method.

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