Big brown bat vs Harmless serotine
The big brown bat is heavier: 16.5 g against 8.86 g for the harmless serotine, about 86% more.
Photo: NPS · Public domain · Wikimedia Commons
Photo: Jacques Christophe Werner (1798-1856) · Public domain · Wikimedia Commons
What is the difference between a big brown bat and a harmless serotine?
Each point below is worked out from a pair of recorded values.
- The big brown bat is heavier: 16.5 g against 8.86 g for the harmless serotine, about 86% more.
- Both belong to the genus Eptesicus, so they are close relatives.
- The big brown bat is listed as Least Concern on the IUCN Red List; the harmless serotine is Near Threatened.
Side by side
| Big brown bat | Harmless serotine | |
|---|---|---|
| Scientific name | Eptesicus fuscus | Eptesicus innoxius |
| Family | Vespertilionidae | Vespertilionidae |
| Order | Chiroptera | Chiroptera |
| Weight | 16.5 g – 17.2 g | 7.49 g – 8.86 g |
| Length | Not recorded | Not recorded |
| Lifespan | 19 years | Not recorded |
| Main food | Not recorded | Not recorded |
| Habitat | Not recorded | Not recorded |
| Conservation status | Least Concern | Near Threatened |
| 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: Big brown batFull record: Harmless serotineCompare other animals