Brown big-eared bat lifespan and age in human years
Longest recorded 30 years
🏆 The longest-lived brown big-eared bat on record reached 30 years in the wild.
Brown big-eared bat (Plecotus auritus). The oldest known individual lived 30 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 12 months
- Adult weight about 7.8 g
- Gestation about 65 days
- About 1.33 young at a time
How old in human years?
Age
Brown big-eared bat age chart in human years
Shaded rows are equivalent to human age 60+.
| Brown big-eared bat | Human age | Stage |
|---|---|---|
| 5 yr | 32 | Adult |
| 10 yr | 50 | Middle age |
| 15 yr | 67 | Senior |
| 20 yr | 85 | Elderly |
| 25 yr | 102 | Elderly |
| 30 yr | 120 | Elderly |
| 35 yr | 138 | Elderly |
Brown big-eared bat profile
| Classification | Mammalia > Chiroptera > Vespertilionidae |
|---|---|
| Scientific name | Plecotus auritus |
| Adult weight | about 7.8 g |
| Age of maturity | 12 months |
| Gestation | about 65 days |
| Litter / clutch size | 1.33 |
| Longest recorded | 30 years (wild) |
Sources
How we convert ages: method.
More Wild & zoo animals
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