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Northern harrier

Northern harrier lifespan and age in human years

Longest recorded 17.1 years

🏆 The longest-lived northern harrier on record reached 17.1 years in the wild.

Northern harrier (Circus cyaneus). The oldest known individual lived 17.1 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

Northern harrier age chart in human years

Shaded rows are equivalent to human age 60+.

Northern harrierHuman ageStage
1 yr18Teen
2 yr24Adult
3 yr31Adult
4 yr37Adult
5 yr43Middle age
6 yr50Middle age
7 yr56Middle age
8 yr62Senior
9 yr69Senior
10 yr75Elderly
11 yr81Elderly
12 yr88Elderly
13 yr94Elderly
14 yr100Elderly
15 yr107Elderly
16 yr113Elderly
17 yr119Elderly
18 yr126Elderly
19 yr132Elderly
20 yr138Elderly
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Northern harrier profile

ClassificationAves > Accipitriformes > Accipitridae
Scientific nameCircus cyaneus
Adult weightabout 3.9e+02 g
Age of maturity12 months
Incubationabout 31 days
Litter / clutch size4.4
Longest recorded17.1 years (wild)

Sources

How we convert ages: method.

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