Eurasian Reed Warbler
Reed warbler (Acrocephalus scirpaceus )
The reed warbler (Acrocephalus scirpaceus ), also popularly known Rohrspatz, is a Singvogelart from the kind of reed warbler (Acrocephalus ) and the family of reed warbler -like ( Acrocephalidae ).
Description
The reed 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, yellowish white to be lower. The little bird has a whitish throat, a sharp beak and gray-brown legs. Males and females have the same coloring. The beat frequency of its wings is about 18 beats per second, the flight speed of 10 meters per second. A reed warbler can be up to 12 years old. Its short inconspicuous call sounds like " tscharr " and " tschirrak ". Only after the appearance of the reed warbler is difficult to distinguish from the Marsh Warbler.
Habitat
The reed warbler is a breeding bird of the western and Zentralpaläarktis. Another, sometimes very strongly positioned splintered part area can be found in the foreground, middle and Central Asia. The distribution reaches from the north-east of Kazakhstan to the north-west Mongolia.
In Central 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 reed warbler lives in the dense reeds and bushes shores of lakes, ponds, swamps and rivers.
Nutrition
The reed warbler climbs and jumps sent in the reeds and feeds on spiders, molluscs, insects and their larvae.
Reproduction
Sexual maturity occurs after one year. The main breeding season is May to July. The woven from grasses and reeds nest is usually fixed in the protection of reed-beds between three to four reeds above the water. The female lays three to five eggs. The eggs are 11 to 14 days alternately warmed by both partners. The young birds remain in the nest 10 to 14 days. It breeds 2-3 times a year.
The reed warbler is common cuckoo host, who hatches a brutparasitierend in the nest oviposited cuckoo and the alien nestling rearing, to the disadvantage of their own offspring. In contrast to the marsh warbler, the common cuckoo eggs away from its nest, this behavior was only rarely detected in reed warbler.
Stock
The European population is estimated at about three million breeding pairs.
Others
The reed warbler was bird of the year 1989.