Wood Warbler
Wood Warbler (Phylloscopus sibilatrix )
The Wood Warbler (Phylloscopus sibilatrix ) is a passerine bird in the genus of warblers (Phylloscopus ) and the family of the warbler -like ( Sylviidae ). We distinguish between no subspecies.
Description
The Wood Warbler is about eleven to thirteen inches long, has a wingspan of 19-24 cm and a weight of about eight to thirteen grams. The little bird has a white belly, a yellow throat and a yellow stripe over eyes, the back is green, his breast yellowish white. Males and females have the same coloring. The life expectancy is up to eight years. The Wood Warbler is the largest of all domestic warbler species. His reputation goes something like " sib " or " TÜH ". The song consists of two verses: The first, very characteristic, sounds like an incipient sewing machine (? Song / i like an accelerando ), and the second is a sloping " Duh - Duh - Duh ... ".
Area of distribution and habitat
The Wood Warbler is a breeding bird of the deciduous forest belt in the western part of the Palaearctic and a long-distance migratory bird. He lives in light deciduous and mixed forests, beech forests and parks. The range extends from Britain via the Southeast Norway and Sweden and Finland to the western edge of Siberia. The southern limit of distribution runs through the south of France and the south of Bulgaria, Moldova and Ukraine. In Central Europe the Wood Warbler in deciduous forests is widespread and comes from the lowlands to the montane belt before. In the canton of Jura, he comes sporadically at altitudes of 1,400 meters before, in the Alps, however, he rarely exceed heights of 1,300 meters.
From April to September it is present in almost all of Central Europe, its winter quarters is located in tropical Africa. Check-out time and the pulling direction are innate.
Nutrition
The Wood Warbler feeds on spiders, molluscs, insects and their larvae. In the autumn he occasionally eats berries.
Reproduction
Sexual maturity occurs after one year. Wood Warbler live predominantly monogamous breeding season or marriage. Following the onset of incubation begin between thirty and sixty percent of the males mated to advertise in a smaller two Trevier to a second female.
The main breeding season is May to July. Built from stalks and grass oven -shaped nest is well hidden in the floor scrub. The female lays six or seven eggs, which are incubated for 12 to 14 days. The young birds remain after hatching still 12 to 13 days in the nest. The European population is estimated at around 7 million breeding pairs.