Great horned owl lifespan and age in human years
Longest recorded 29 years
🏆 The longest-lived great horned owl on record reached 29 years in the wild.
Great horned owl (Bubo virginianus). The oldest known individual lived 29 years; this chart maps that record to a human age of 120. Most individuals live considerably shorter lives than the record.
- Reaches adulthood at about 2 years
- Adult weight about 1.19 kg
- Incubation about 27 days
- About 3 eggs at a time
How old in human years?
Age
Great horned owl age chart in human years
Shaded rows are equivalent to human age 60+.
| Great horned owl | Human age | Stage |
|---|---|---|
| 5 yr | 29 | Adult |
| 10 yr | 48 | Middle age |
| 15 yr | 67 | Senior |
| 20 yr | 86 | Elderly |
| 25 yr | 105 | Elderly |
| 30 yr | 124 | Elderly |
Great horned owl profile
| Classification | Aves > Strigiformes > Strigidae |
|---|---|
| Scientific name | Bubo virginianus |
| Adult weight | about 1.2 kg |
| Age of maturity | 2 years |
| Incubation | about 27 days |
| Litter / clutch size | 3 |
| Longest recorded | 29 years (wild) |
Sources
How we convert ages: method.
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