Clamorous Reed Warbler (Acrocephalus stentoreus)
Illustration redrawn by AI from a real photograph

Clamorous Reed Warbler

Acrocephalus stentoreus (Hemprich & Ehrenberg, 1833)

≈18 cmLength24 gWeight

It is a large, loud-calling reed warbler with a brown back and whitish underparts that inhabits reedbeds.

Busiest months: December–February · Most records: India, United Arab Emirates, Israel

Looks like Great Reed Warbler

Least Concern

How to identify

Field marks

  1. Brown back without streaks
  2. Whitish underparts
  3. Flat forehead and strong, pointed bill
  4. Body length 18–20 cm

Male, female and young

Sexes identical.

Voice

Slow-paced “kereet-kereet-kereet”, interspersed with whistles and mimicry; loud and far-carrying.

Similar species

Great Reed Warbler
Great Reed Warbler

Great Reed Warbler has more richly colored underparts and a harsher song.

Where and when it's recorded

Clamorous Reed Warbler has been recorded at 387 of the 8,171 birding hotspots we track, in 26 countries and regions.

Records by month Northern Hemisphere

Where it's recorded most

  1. Private estate near Green MubazzarahUnited Arab Emirates3,048 records
  2. Bharatpur – Keoladeo Ghana NPIndia1,603 records
  3. Changaram Wetlands – EzhupunnaIndia1,442 records
More places
  1. Poleg MarshIsrael1,277 records
  2. Hoskote / Hosakote KereIndia1,117 records
  3. Baruipur MarshesIndia1,069 records
  4. Abu Dhabi Golf and Equestrian ClubUnited Arab Emirates1,032 records
  5. Kfar Ruppin fishpondsIsrael930 records
  6. Ma'ayan Tzvi FishpondsIsrael853 records
  7. Al Wathba Wetland ReserveUnited Arab Emirates828 records

Countries and regions with the most records

IndiaUnited Arab EmiratesIsraelPhilippinesSri LankaKuwaitOmanQatar

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The clamorous reed warbler (Acrocephalus stentoreus) is an Old World warbler in the genus Acrocephalus. It breeds from Egypt eastwards through Pakistan, Afghanistan and northernmost India to south China and southeast Asia. A. s. meridionalis is an endemic race in Sri Lanka.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Clamorous Reed Warbler?

The Clamorous Reed Warbler is about ≈18 cm long and weighs around 24 g.

Where does the Clamorous Reed Warbler live?

Its breeding range: Palearctic, Oriental: widespread. It is most often recorded in India, United Arab Emirates and Israel.

When is the best time to see the Clamorous Reed Warbler?

At the hotspots we track, it is recorded most in January, February and December (Northern Hemisphere).

Is the Clamorous Reed Warbler endangered?

The IUCN Red List classifies the Clamorous Reed Warbler as Least Concern.

What does the Clamorous Reed Warbler eat?

Main food: Insects & other invertebrates.

What family is the Clamorous Reed Warbler in?

It belongs to the family Reed Warblers & Allies (Acrocephalidae), order Passerines (Passeriformes).

At a glance

Length
≈18 cm
Weight
24 g
Habitat
Wetland
Diet
Insects & other invertebrates
Lifestyle
Perches in trees
Migration
Partial migrant
Conservation
Least Concern
More measurements
Wing
80 mm
Tail
74 mm
Bill
25 mm
Tarsus
27 mm

Averages from the AVONET dataset; length from field guides where available.

Range

Palearctic, Oriental: widespread

Breeding range, IOC World Bird List 15.2

Subspecies · 1
  • Acrocephalus stentoreus amyae ne India, Myanmar, Thailand and s China

Classification

Order
Passerines Passeriformes
Family
Reed Warblers & Allies Acrocephalidae
Genus
Acrocephalus

Other birds in the genus Acrocephalus

Basra Reed WarblerBasra Reed WarblerAcrocephalus griseldisCape Verde WarblerCape Verde WarblerAcrocephalus brevipennisGreater Swamp WarblerGreater Swamp WarblerAcrocephalus rufescensLesser Swamp WarblerLesser Swamp WarblerAcrocephalus gracilirostrisMadagascar Swamp WarblerMadagascar Swamp WarblerAcrocephalus newtoniSeychelles WarblerSeychelles WarblerAcrocephalus sechellensisRodrigues WarblerRodrigues WarblerAcrocephalus rodericanusGreat Reed WarblerGreat Reed WarblerAcrocephalus arundinaceusOriental Reed WarblerOriental Reed WarblerAcrocephalus orientalisAustralian Reed WarblerAustralian Reed WarblerAcrocephalus australisMillerbirdMillerbirdAcrocephalus familiarisSaipan Reed WarblerSaipan Reed WarblerAcrocephalus hiwae
Clamorous Reed Warbler

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by gary burns. ↗

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