Clamorous reed warbler
|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, southeast Asia and south to Australia. A. s. meridionalis is an endemic race in Sri Lanka.
Nine subspecies are recorded.
- A. s. stentoreus (Hemprich & Ehrenberg, 1833)
- A. s. brunnescens (Jerdon, 1839)
- A. s. amyae Stuart Baker, 1922
- A. s. meridionalis (Legge, 1875)
- A. s. siebersi Salomonsen, 1928
- A. s. lentecaptus E. J. O. Hartert, 1924
- A. s. harterti Salomonsen, 1928
- A. s. celebensis Heinroth, 1903
- A. s. sumbae E. J. O. Hartert, 1924
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, as with most warblers. It is very like great reed warbler, but that species has richer coloured underparts.
There are a number of races differing in plumage shades. The migratory northern race has the richest brown upperparts, and the endemic Sri Lanka subspecies is the darkest form.
Like most warblers, clamorous reed warbler is insectivorous, but will take other small prey items.
The song is loud and far carrying, but less raucous than great reed warbler. It is a slow, chattering kereet-kereet-kereet with typically acrocephaline whistles and mimicry added.
- Warblers of Europe, Asia and North Africa by Baker, ISBN
- Birds of India by Grimmett, Inskipp and Inskipp, ISBN
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