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#0256 · 🦊 mammals

Big Brown Bat

🇳🇱 Grote Bruine Vleermuis ·Eptesicus fuscus

LCleast concern 🦊 Mammals 📍 outside Europe
Big Brown Bat, photo 1 of 10
1/10 © Joe Bartok · CC BY-NC 4.0

what is it?

The big brown bat ( Eptesicus fuscus ) is a widespread species of bat found throughout North America, Central America, the Caribbean, and extreme northern South America.

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 12,045iNaturalist observations
  • weight 3.3 gadult, up to
  • threat LCleast concern

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 12,045 observations worldwide on iNaturalist.
  • Weighs only about 3 g.
  • Scientifically named by Palisot de Beauvois in 1796 (230 years ago).

fact sheet

English
Big Brown Bat
Nederlands
Grote Bruine Vleermuis
scientific name
Eptesicus fuscus
class
Mammalia
order
Chiroptera
family
Vespertilionidae
IUCN Red List
LC · least concern
sightings in NL
0
sightings worldwide
12,045
GBIF records in NL
0
weight
3.3 g
length
—
lifespan
—
named
1796 by Palisot de Beauvois

IUCN in Dutch: niet bedreigd. Blank means the sources don't say.

relatives· Vespertilionidae

Sources: iNaturalist taxon 40509, Wikidata Q301254, GBIF 2432352, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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