#0643 · 🐦 birds

Common Reed Warbler

🇳🇱 Kleine Karekiet ·Acrocephalus scirpaceus

LCleast concern 🐦 Birds 📍 in the Netherlands

8 photos from iNaturalist (Creative Commons) · credits & licences

what is it?

The Eurasian reed warbler , or just reed warbler ( Acrocephalus scirpaceus ) is an Old World warbler in the genus Acrocephalus . It breeds across Europe into temperate western Asia. It is migratory, wintering in sub-Saharan Africa.

base stats

NL sightings 322iNaturalist, research grade
worldwide 15,680iNaturalist observations
weight 12 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

Spotted 322 times in the Netherlands on iNaturalist.
15,680 observations worldwide on iNaturalist.
Weighs only about 12 g.
Scientifically named by Johann Hermann in 1804 (222 years ago).

fact sheet

English: Common Reed Warbler
Nederlands: Kleine Karekiet
scientific name: Acrocephalus scirpaceus
class: Aves
order: Passeriformes
family: Acrocephalidae
IUCN Red List: LC · least concern
sightings in NL: 322
sightings in Europe: 9,135
sightings worldwide: 15,680
GBIF records in NL: 438,945
weight: 12 g
length: —
lifespan: —
named: 1804 by Johann Hermann

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

relatives· Acrocephalidae

Sources: iNaturalist taxon 204455, Wikidata Q159080, GBIF 2493118, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.