Rousserolle turdoïde

The rousserolle turdoïde ( Acrocephalus arundinaceus ) is a Fauvette marshes.

Identification

It is a Passereau of big 19 cm length size with a scale of 28 cm, heavy between 25 and 37 G. It is largest of the sedge warblers.

It resembles the Rousserolle reed warbler but in larger. It has the brown plain back and the brown broken white lower part. The sides and the tail are chamois. It has an eyebrow of cream-coloured color. The nozzle fine and is lengthened.

Surface of distribution

Niche of Western Europe in Korea and China. This bird migrates to sub-Saharan Africa to return in April - May in its territories of reproduction. Its migratory way is achieved rather in great stages, stopped by long pauses (several weeks) in the same place to fill its reserves of grease, necessary for the next stage of its migratory long way.

Subspecies

One brings back to this species the two following subspecies:
  • Acrocephalus arundinaceus arundinaceus of Europe, the North-West of Middle East and Turkey, North Africa to the basin of the Volga,
  • Acrocephalus arundinaceus zarudnyi of the north of Iraq, of Iran, Afghanistan, Uzbékistan, Tadjikistan, Mongolia and west of China (Sinkiang).
The old subspecies griseldis of Iraq, and orientalis , of Sinkiang and the east of Mongolia to the lower basin of the Love and Japan, its now regarded as species with whole share, Acrocephalus griseldis and Acrocephalus orientalis .

Habitat

The rousserolle turdoïde occupies marsh and roselières of good size made up of reeds.

Behavior

It animates the roselière of its raucous and sound song, which was worth many vernacular names of onomatopoeical type to him. At the period of nesting, it is done much more discrete.

Food mode

It nourishes mainly insects but also of spiders and Amphibians.

Reproduction

The female lays one brooded per annum, from 4 to 6 eggs. The nest is suspended, hidden in the watery vegetation. It is made vegetable elements.

The bird and the man

Philately

The rousserolle turdoïde was represented on stamps posts following countries:
  • Burundi (5 F.)
  • Kuwait (10 F.)
  • Mongolia
  • Romania (15 L.)

External bonds

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