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#0934 · 🐦 birds

Aquatic Warbler

🇳🇱 Waterrietzanger ·Acrocephalus paludicola

VUvulnerable 🐦 Birds 📍 in the Netherlands
Aquatic Warbler, photo 1 of 10
1/10 © ulysse_lafond · CC BY-NC 4.0

what is it?

The aquatic warbler ( Acrocephalus paludicola ) is an Old World warbler in the genus Acrocephalus . It breeds in temperate eastern Europe and western Asia, with an estimated population of 15,000 pairs. It is migratory, wintering in west Africa. After many years of uncertainty, the wintering grounds of much of the European population were finally discovered in Djoudj National Bird Sanctuary, Senegal, with between 5-10,000 birds present at this single site. Its south-westerly migration route means that it...

base stats

  • NL sightings 4iNaturalist, research grade
  • worldwide 202iNaturalist observations
  • weight 10.5 gadult, up to
  • threat VUvulnerable

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 4 times in the Netherlands on iNaturalist.
  • 202 observations worldwide on iNaturalist.
  • Weighs only about 11 g.
  • Scientifically named by Louis Pierre Vieillot in 1817 (209 years ago).
  • Listed as Vulnerable on the IUCN Red List.

fact sheet

English
Aquatic Warbler
Nederlands
Waterrietzanger
scientific name
Acrocephalus paludicola
class
Aves
order
Passeriformes
family
Acrocephalidae
IUCN Red List
VU · vulnerable
sightings in NL
4
sightings in Europe
173
sightings worldwide
202
GBIF records in NL
3,186
weight
10.5 g
length
—
lifespan
—
named
1817 by Louis Pierre Vieillot

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

relatives· Acrocephalidae

Sources: iNaturalist taxon 117181, Wikidata Q242599, GBIF 2493114, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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