Black-browed Reed Warbler

Acrocephalus bistrigiceps Swinhoe, 1860

≈12 cmLength8.7 gWeight

It is a reed warbler that often forages close to the ground in undisturbed reedbeds.

Busiest months: May and October · Most records: China, Thailand, Singapore

Looks like Common Reed Warbler

Least Concern

How to identify

Similar species

Common Reed Warbler

The two are similar and closely related; Common Reed Warbler is more common and more widespread.

Where and when it's recorded

Black-browed Reed Warbler has been recorded at 679 of the 8,171 birding hotspots we track, in 16 countries and regions.

Records by month Northern Hemisphere

Where it's recorded most

Mai Po Nature ReserveHong Kong (China)725 records
Mai Po NR – #8b ReedbedHong Kong (China)680 records
Lat Krabang – Thap Yao paddies & aquaculture pondsThailand612 records

More places

Mai Po NR #8b Reedbed RingingHong Kong (China)461 records
Muravyevka ParkRussia346 records
Fung Lok WaiHong Kong (China)336 records
Long ValleyHong Kong (China)313 records
San TinHong Kong (China)274 records
Marina EastSingapore260 records
Shahe ReservoirChina245 records

Countries and regions with the most records

China Thailand Singapore Cambodia Japan Russia Laos South Korea

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 black-browed reed warbler (Acrocephalus bistrigiceps) is a marsh-warbler in the family Acrocephalidae. It was formerly included in the "Old World warbler" assemblage. The species was first described by Robert Swinhoe in 1860.

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

Questions

How big is the Black-browed Reed Warbler?

The Black-browed Reed Warbler is about ≈12 cm long and weighs around 8.7 g.

Where does the Black-browed Reed Warbler live?

Its breeding range: Palearctic: eastern Mongolia and southeastern Russia to eastern China and Japan. It is most often recorded in China, Thailand and Singapore.