Clamorous Reed Warbler

Clamorous Reed Warbler

Acrocephalus stentoreus

Silhouette: Yves Hoebeke · PhyloPic

LCLeast ConcernNTVUENCR
Daily sighting probability <5% · Rare
at Nagarhole National Park

In 3 days <5% in a week ~10%

22 Verified sightings at Nagarhole National Park From 2019 to 2026
929 In all 9 parks
January Best month
🌅 Crepuscular When it's spotted

About the Clamorous Reed Warbler

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.

Clamorous reed warbler is a large song thrush-sized warbler at 18–20 cm. The adult has an unstreaked brown back and whitish underparts. The forehead is flattened, and the bill is strong and pointed. The sexes are identical... Wikipedia →

Sounds

Call0:18

India · 2025

© Peter Boesman · XC1030452 · CC BY-NC-ND 4.0

Song1:26

China · 2025

© Dave Guo · XC1003308 · CC BY-NC-SA 4.0

Subsong0:54

Philippines · 2023

© Ding Li Yong · XC812829 · CC BY-NC-ND 4.0

Global Distribution

Parks Where Found

# Park Country Daily sighting probability
1 Keoladeo National Park 🇮🇳 India
~30%
2 Satpura National Park 🇮🇳 India
<5%
3 Nagarhole National Park 🇮🇳 India
<5%
4 Yala National Park 🇱🇰 Sri Lanka
<5%
5 Manas National Park 🇮🇳 India
<5%
6 Bandhavgarh National Park 🇮🇳 India
<5%
7 Bandipur National Park 🇮🇳 India
<5%
8 Kanha National Park 🇮🇳 India
<5%
9 Chitwan National Park 🇳🇵 Nepal
<5%

Cities Where Found

# City Country Daily sighting probability
1 Vasai-Virar 🇮🇳 India
~40%
2 Makassar 🇮🇩 Indonesia
~30%
3 Cairo 🇪🇬 Egypt
~20%
4 Ponnani 🇮🇳 India
~20%
5 Abu Dhabi 🇦🇪 United Arab Emirates
~10%
6 Srinagar 🇮🇳 India
~10%
7 Vijayawada 🇮🇳 India
~10%
8 Thiruvananthapuram 🇮🇳 India
~10%
9 Kochi 🇮🇳 India
~10%
10 Davao City 🇵🇭 Philippines
~10%

Before you go

What are the chances of seeing a Clamorous Reed Warbler in Nagarhole National Park?

Rare

Under 5% of wildlife watchers report a Clamorous Reed Warbler sighting in Nagarhole National Park on a given day, based on 22 verified sightings from GBIF citizen-science data from 2019 to 2026. It is the 225th most-seen of the 272 birds we can rate there. Over three days the chance rises to under 5%, and over a week to about 10%, if each day is a fresh chance.

When is the best time to see a Clamorous Reed Warbler in Nagarhole National Park?

Any time of year

In every month with enough records, under 5% of wildlife watchers report a Clamorous Reed Warbler in Nagarhole National Park on a given day, so our monthly data shows no clear season.

What time of day is best to see a Clamorous Reed Warbler?

Between 2 and 5 am

Across all the parks we cover, that three-hour window holds the most Clamorous Reed Warbler sightings with a recorded time, and about 6 in 10 of them come between 6 pm and 6 am: it is most active around dawn and dusk.

Is Nagarhole National Park the best place to see a Clamorous Reed Warbler?

3rd of 9

Of the 9 parks where we can rate Clamorous Reed Warbler sightings, Nagarhole National Park ranks 3rd at under 5%. The best odds are in Keoladeo National Park (India, about 30%) and Satpura National Park (India, under 5%).

Where does the Clamorous Reed Warbler sighting chance come from?

GBIF citizen-science records

It is estimated from how often the Clamorous Reed Warbler is recorded against all the birds logged in Nagarhole National Park (22 verified sightings from 2019 to 2026), calibrated against known sighting rates. Figures are rounded to the nearest 10% because citizen-science data supports honest approximations, not decimals, and months with records from fewer than five people show "—". How it works.

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