Northern bat vs Serotine bat
The serotine bat is heavier: 22.9 g against 10.7 g for the northern bat, about 2.1 times the weight.
Photo: Mnolf · CC BY-SA 3.0 · Wikimedia Commons
Photo: Mnolf · CC BY-SA 3.0 · Wikimedia Commons
What is the difference between a northern bat and a serotine bat?
Each point below is worked out from a pair of recorded values.
- The serotine bat is heavier: 22.9 g against 10.7 g for the northern bat, about 2.1 times the weight.
- The northern bat is longer-lived: 15.5 years against 12.5 years for the serotine bat, about 24% longer.
- Both belong to the genus Eptesicus, so they are close relatives.
- Both are listed as Least Concern on the IUCN Red List.
Side by side
| Northern bat | Serotine bat | |
|---|---|---|
| Scientific name | Eptesicus nilssonii | Eptesicus serotinus |
| Family | Vespertilionidae | Vespertilionidae |
| Order | Chiroptera | Chiroptera |
| Weight | 8 g – 13 g | 18.2 g – 22.9 g |
| Length | Not recorded | Not recorded |
| Lifespan | 15.5 years | 12.5 years |
| Main food | Not recorded | Not recorded |
| Habitat | forest | woodland |
| Conservation status | Least Concern | Least Concern |
| Countries recorded | Not recorded | Not recorded |
A scale drawing needs a recorded length for both animals; only weights are on record for this pair.
Full record: Northern batFull record: Serotine batCompare other animals