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#0639 · 🐦 birds

Long-eared Owl

🇳🇱 Ransuil ·Asio otus

LCleast concern 🐦 Birds 📍 in the Netherlands
Long-eared Owl, photo 1 of 8
1/8 © caroline legg · CC BY 4.0

what is it?

The long-eared owl ( Asio otus ), also known as the northern long-eared owl , is a species of owl which breeds in Europe, Asia, and North America. This species is a part of the larger grouping of owls known as typical owls, family Strigidae, which contains most species of owl. The other grouping of owls are the barn owls, family Tytonidae.

base stats

  • NL sightings 354iNaturalist, research grade
  • worldwide 24,230iNaturalist observations
  • 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

  • Spotted 354 times in the Netherlands on iNaturalist.
  • 24,230 observations worldwide on iNaturalist.
  • Scientifically named in 1758 (268 years ago).

fact sheet

English
Long-eared Owl
Nederlands
Ransuil
scientific name
Asio otus
class
Aves
order
Strigiformes
family
Strigidae
IUCN Red List
LC · least concern
sightings in NL
354
sightings in Europe
14,686
sightings worldwide
24,230
GBIF records in NL
87,005
weight
—
length
—
lifespan
—
named
1758

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

relatives· Strigidae

Sources: iNaturalist taxon 20307, Wikidata Q25384, GBIF 2497306, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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