Pallid bat vs Serotine bat
The serotine bat is heavier: 22.9 g against 20.8 g for the pallid bat, about 10% more.

Photo: USGS · Public domain · Wikimedia Commons

Photo: Mnolf · CC BY-SA 3.0 · Wikimedia Commons
What is the difference between a pallid 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 20.8 g for the pallid bat, about 10% more.
- The serotine bat is longer-lived: 12.5 years against 9.1 years for the pallid bat, about 37% longer.
- They share the family Vespertilionidae but sit in different genera: Pallid bat in Antrozous, Serotine bat in Eptesicus.
- Both are listed as Least Concern on the IUCN Red List.
Side by side
| Pallid bat | Serotine bat | |
|---|---|---|
| Scientific name | Antrozous pallidus | Eptesicus serotinus |
| Family | Vespertilionidae | Vespertilionidae |
| Order | Chiroptera | Chiroptera |
| Weight | 18.9 g – 22 g | 18.2 g – 22.9 g |
| Length | Not recorded | Not recorded |
| Lifespan | 9.1 years | 12.5 years |
| Main food | Not recorded | Not recorded |
| Habitat | Not recorded | 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: Pallid batFull record: Serotine batCompare other animals