CreatureData

Harmless serotine vs Northern bat

The northern bat is heavier: 10.7 g against 8.86 g for the harmless serotine, about 21% more.

Harmless serotine (Eptesicus innoxius)
Harmless serotine NTNear Threatened
Photo: Jacques Christophe Werner (1798-1856) · Public domain · Wikimedia Commons
Northern bat (Eptesicus nilssonii)
Northern bat LCLeast Concern
Photo: Mnolf · CC BY-SA 3.0 · Wikimedia Commons

What is the difference between a harmless serotine and a northern bat?

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

  • The northern bat is heavier: 10.7 g against 8.86 g for the harmless serotine, about 21% more.
  • Both belong to the genus Eptesicus, so they are close relatives.
  • The harmless serotine is listed as Near Threatened on the IUCN Red List; the northern bat is Least Concern.

Side by side

Harmless serotineNorthern bat
Scientific nameEptesicus innoxiusEptesicus nilssonii
FamilyVespertilionidaeVespertilionidae
OrderChiropteraChiroptera
Weight7.49 g – 8.86 g8 g – 13 g
LengthNot recordedNot recorded
LifespanNot recorded15.5 years
Main foodNot recordedNot recorded
HabitatNot recordedforest
Conservation statusNear ThreatenedLeast 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: Harmless serotineFull record: Northern batCompare other animals