Sedge Warbler
Sedge Warbler (Acrocephalus schoenobaenus )
The Sedge Warbler (Acrocephalus schoenobaenus ) is a passerine bird in the genus of warblers (Acrocephalus ) and the family of reed warbler -like ( Acrocephalidae ). We distinguish between no subspecies.
Apart from the south-west of central Europe, the Sedge Warbler is a common breeding and summer bird in many parts of Central Europe. Throughout Central Europe, however, it occurs as a migrant and resting bird.
Description
The Sedge Warbler is about 13 cm long and has a wingspan of 17-21 cm. The weight is about 10 to 15 grams. The top is brown gray patterned, colored its underside yellowish. The little bird has a whitish throat and a sharp beak. He has a light gray stripe over eyes and a black head cover. Males and females have the same coloring. His call sounds like " tscheck " and " schrrr ".
Habitat
As a breeding bird in the sedge warbler of the boreal happens to the Mediterranean and steppe zone of Western and Zentralpaläarktis. Its altitudinal distribution ranges from the lowlands to the lower central mountain areas. In northwestern Europe the spread is patchy, the southern limit of distribution is in the north of the Mediterranean and the Danube Delta in Romania. To some extent fragmented deposits are found in the southwest, central and eastern Anatolia. The species also occurs in the Crimea, in Aserbeitschan and northwestern Iran.
In most of Europe the long-distance migrant from April to October is present. He has in sub-Saharan Africa His winter quarters. Check-out time and the pulling direction are innate. In order to survive the 6,000 kilometers of well, the night puller creates fat reserves. The Sedge Warbler lives in the dense reeds and riparian bushes in bogs, swamps, on wet meadows and cultivated land.
Nutrition
The Sedge Warbler feeds on insects, spiders, small molluscs and berries.
Reproduction
Sexual maturity occurs after one year. The main breeding season is May to July. The nest is built low to the ground in dense vegetation. The female lays 4-6 eggs. The eggs are 12 to 14 days alternately warmed by both partners. The young birds fledge after 10 to 12 days.
Stock
The total European population is estimated at 4.4 to 7.4 million breeding pairs. Large populations are found in Russia, where 1.3 to 2.5 million breeding pairs occur in Romania ( 0.85 to 1.1 million breeding pairs) and Bulgaria ( 0.6 to 0.8 million breeding pairs). The stock in Central Europe is estimated at 315000-593000 breeding pairs.