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Duck-billed platypus

Duck-billed platypus lifespan and age in human years

Longest recorded 22.6 years

🏆 The longest-lived duck-billed platypus on record reached 22.6 years in captivity.

Duck-billed platypus (Ornithorhynchus anatinus). The oldest known individual lived 22.6 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

Duck-billed platypus age chart in human years

Shaded rows are equivalent to human age 60+.

Duck-billed platypusHuman ageStage
1 yr12Child
2 yr20Adult
3 yr25Adult
4 yr30Adult
5 yr35Adult
6 yr40Adult
7 yr45Middle age
8 yr49Middle age
9 yr54Middle age
10 yr59Middle age
11 yr64Senior
12 yr69Senior
13 yr74Senior
14 yr78Elderly
15 yr83Elderly
16 yr88Elderly
17 yr93Elderly
18 yr98Elderly
19 yr103Elderly
20 yr107Elderly
21 yr112Elderly
22 yr117Elderly
23 yr122Elderly
24 yr127Elderly
25 yr132Elderly
26 yr136Elderly
27 yr141Elderly
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Duck-billed platypus profile

ClassificationMammalia > Monotremata > Ornithorhynchidae
Scientific nameOrnithorhynchus anatinus
Adult weightabout 1.2 kg
Age of maturity18 months
Gestationabout 17 days
Litter / clutch size2
Longest recorded22.6 years (captivity)

Sources

How we convert ages: method.

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