Subalpine Warbler
White Subalpine Warbler (Sylvia cantillans )
The White Subalpine Warbler (Sylvia cantillans ) or Subalpine Warbler is a small passerine bird in the genus of warblers (Sylvia ). It occurs in the Mediterranean.
Description
The White Subalpine Warbler is 12 to 13 inches long and about as big as the Lesser Whitethroat, but slimmer and has a shorter tail. The top is grayish, the underside bright In all the dresses they have a white beard strips. The wing feathers and their large ceiling have light rims. The iris is dark, legs beige - beige. The beak is beige and dark at the top and on the top.
The males have a blue-gray head and back. Very striking is the bright red eye ring and the intense cinnamon to brick- red throat and chest. This gives the white beard Streif particularly much contrast.
The females have a much paler light gray head and a gray - olive back. The eye ring is whitish, the throat has a pink touch, as are the edges, the underside is white otherwise.
In the first winter young birds on top of olive drab and on the underside are white.
Voice
The call is a harsh "ta" or " tek ", which can be released irregularly in rows. On the western Mediterranean islands, the call sounds like " trrrrt ", in Southeast Europe and Turkey as " trek ", which is often called twice. In case of failure, the white beard warbler calls hoarse " tschä tschä tschä ... "
The song consists of relatively long stanzas and contains sounds that are similar to the reputation of other sounds dry, but no flute tones and deeper tones. The range of the song is low, it is often presented in Singflug. In the fall, the vocals also contain imitations.
System
- S. c. cantillans ( Pallas, 1764) is the nominate in South Western Europe to northern Italy before
- S. c. inornata ( Tschudi, 1906 ) occurs in north-west Africa, colored as S. c. albistiata, the bottom is brick red, the belly very little white, the females are pale cinnamon on the bottom with more white on the belly
- S. c. moltonii (Orlando, 1937) occurs in the Balearic Islands, Corsica and Sardinia
- S. c. albistriata (CL Brehm, 1855) is in Southeast Europe including Turkey before, the breast is chestnut color, the belly and beard bright streak wider than the nominate.
With the exception of S. c. inornata have been detected in Central Europe all subspecies.
Habitat
The White Subalpine Warbler lives in scrub, thin overgrown stone, cork and downy oak forests. The highest population density is achieved in high maquis or garrigue with trees and less in dry habitats, such as oleander vegetation near rivers. In cultural landscape, it occurs only in remnants of natural Mediterranean vegetation.
Dissemination
The White Subalpine Warbler is widespread throughout the Mediterranean. It occurs throughout the Iberian Peninsula with the exception of the western and northern coast, southern France to southern Italy and Sicily, northern Italy to Tuscany and the Mediterranean islands. Furthermore, it is of southern Slovenia to find on the Mediterranean coast of the Balkans, Bulgaria, the whole of Greece to Western Anatolia.
Hiking
The Whitebeard warbler is a migratory bird. Your wintering area is the western part of the Sahel, east to north- west of Sudan and South Egypt. The deduction from their breeding grounds begins in late June, most in France in mid-July. The climax of the passage will be to September, reached to the west of August in the Camargue on 24 August. Latecomers may be observed in the East until the end of October. The arrival in southern France will start from mid-March, stragglers come until mid-May. While returning the Whitebeard warbler can numerous occur on the central and western Mediterranean islands.
Reproduction
The nest is rarely more than a meter, invested in low bushes. It is built from stems and bark of the rosemary or juniper. The outer sides are covered with cobwebs. Inside it is lined with animal hair and vegetable wool. The nest consists of 3 to 4 on a greenish ground speckled eggs with dimensions 16.5 × 12.9 mm and weighs 1.42 grams. Both partners they incubate 11 to 13 days, although the main part is in the female. The young are altricial and hatch naked. You have a red throat with yellow edge. They are fed by both parents. In rain or sunshine, the female protects the boy with outstretched wings. The fledging period is 11 to 12 days. The female still Begins a second brood, the first boy to be further fed by the male. The breeding season lasts from mid- April to early June.
Food
The diet consists mainly of insects in summer and autumn also from fruits.