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Gray whale

Gray whale lifespan and age in human years

Longest recorded 77 years

🏆 The longest-lived gray whale on record reached 77 years in the wild.

Gray whale (Eschrichtius robustus). The oldest known individual lived 77 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

Gray whale age chart in human years

Shaded rows are equivalent to human age 60+.

Gray whaleHuman ageStage
5 yr11Child
10 yr21Adult
15 yr28Adult
20 yr36Adult
25 yr43Middle age
30 yr51Middle age
35 yr58Middle age
40 yr65Senior
45 yr73Senior
50 yr80Elderly
55 yr87Elderly
60 yr95Elderly
65 yr102Elderly
70 yr110Elderly
75 yr117Elderly
80 yr124Elderly
85 yr132Elderly
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Gray whale profile

ClassificationMammalia > Cetacea > Eschrichtiidae
Scientific nameEschrichtius robustus
Adult weightabout 2.8e+04 kg
Age of maturity8 years
Gestationabout 395 days
Litter / clutch size1
Longest recorded77 years (wild)

Sources

How we convert ages: method.

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