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Nilgai

Nilgai lifespan and age in human years

Longest recorded 21.7 years

🏆 The longest-lived nilgai on record reached 21.7 years in captivity.

Nilgai (Boselaphus tragocamelus). The oldest known individual lived 21.7 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

Nilgai age chart in human years

Shaded rows are equivalent to human age 60+.

NilgaiHuman ageStage
1 yr8Child
2 yr16Teen
3 yr22Adult
4 yr27Adult
5 yr32Adult
6 yr38Adult
7 yr43Middle age
8 yr48Middle age
9 yr53Middle age
10 yr59Middle age
11 yr64Senior
12 yr69Senior
13 yr74Senior
14 yr80Elderly
15 yr85Elderly
16 yr90Elderly
17 yr95Elderly
18 yr101Elderly
19 yr106Elderly
20 yr111Elderly
21 yr116Elderly
22 yr122Elderly
23 yr127Elderly
24 yr132Elderly
25 yr137Elderly
26 yr143Elderly
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Nilgai profile

ClassificationMammalia > Artiodactyla > Bovidae
Scientific nameBoselaphus tragocamelus
Adult weightabout 1.8e+02 kg
Age of maturity2.2 years
Gestationabout 255 days
Litter / clutch size1.5
Longest recorded21.7 years (captivity)

Sources

How we convert ages: method.

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