CreatureData

Big brown bat vs Botta's serotine

The big brown bat is heavier: 16.5 g against 14.2 g for the botta's serotine, about 16% more.

Big brown bat (Eptesicus fuscus)
Big brown bat LCLeast Concern
Photo: NPS · Public domain · Wikimedia Commons
Botta's serotine (Eptesicus bottae)
Botta's serotine LCLeast Concern
Photo: Mustafa Sözen · CC BY 4.0 · Wikimedia Commons

What is the difference between a big brown bat and a botta's serotine?

Each point below is worked out from a pair of recorded values.

  • The big brown bat is heavier: 16.5 g against 14.2 g for the botta's serotine, about 16% more.
  • The big brown bat is longer-lived: 19 years against 12 years for the botta's serotine, about 58% 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

Big brown batBotta's serotine
Scientific nameEptesicus fuscusEptesicus bottae
FamilyVespertilionidaeVespertilionidae
OrderChiropteraChiroptera
Weight16.5 g – 17.2 g14.2 g – 15.7 g
LengthNot recordedNot recorded
Lifespan19 years12 years
Main foodNot recordedNot recorded
HabitatNot recordedNot recorded
Conservation statusLeast ConcernLeast Concern
Countries recordedNot recordedNot 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: Botta's serotineCompare other animals