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Pronghorn

Pronghorn lifespan and age in human years

Longest recorded 17 years

🏆 The longest-lived pronghorn on record reached 17 years in captivity.

Pronghorn (Antilocapra americana). The oldest known individual lived 17 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

Pronghorn age chart in human years

Shaded rows are equivalent to human age 60+.

PronghornHuman ageStage
1 yr12Child
2 yr21Adult
3 yr28Adult
4 yr34Adult
5 yr41Middle age
6 yr48Middle age
7 yr54Middle age
8 yr61Senior
9 yr67Senior
10 yr74Senior
11 yr81Elderly
12 yr87Elderly
13 yr94Elderly
14 yr100Elderly
15 yr107Elderly
16 yr113Elderly
17 yr120Elderly
18 yr127Elderly
19 yr133Elderly
20 yr140Elderly
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Pronghorn profile

ClassificationMammalia > Artiodactyla > Antilocapridae
Scientific nameAntilocapra americana
Adult weightabout 46 kg
Age of maturity18 months
Gestationabout 235 days
Litter / clutch size2
Longest recorded17 years (captivity)

Sources

How we convert ages: method.

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