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Eastern gray squirrel

Eastern gray squirrel lifespan and age in human years

Longest recorded 23.6 years

🏆 The longest-lived eastern gray squirrel on record reached 23.6 years in captivity.

Eastern gray squirrel (Sciurus carolinensis). The oldest known individual lived 23.6 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

Eastern gray squirrel age chart in human years

Shaded rows are equivalent to human age 60+.

Eastern gray squirrelHuman ageStage
1 yr18Teen
2 yr23Adult
3 yr27Adult
4 yr32Adult
5 yr36Adult
6 yr41Middle age
7 yr45Middle age
8 yr50Middle age
9 yr54Middle age
10 yr59Middle age
11 yr63Senior
12 yr68Senior
13 yr72Senior
14 yr77Elderly
15 yr81Elderly
16 yr86Elderly
17 yr90Elderly
18 yr95Elderly
19 yr99Elderly
20 yr104Elderly
21 yr108Elderly
22 yr113Elderly
23 yr117Elderly
24 yr122Elderly
25 yr126Elderly
26 yr131Elderly
27 yr135Elderly
28 yr140Elderly
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Eastern gray squirrel profile

ClassificationMammalia > Rodentia > Sciuridae
Scientific nameSciurus carolinensis
Adult weightabout 5.3e+02 g
Age of maturity11 months
Gestationabout 44 days
Litter / clutch size4
Longest recorded23.6 years (captivity)

Sources

How we convert ages: method.

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