Field signs. It looks like a white wagtail, but almost all head, neck and upper chest black, only on the forehead and eyes of a white mask. White kaemki on the upper body wing very wide, merge into a white box, gray back , Quite dark, gray gradually turns black on the neck. Female similar to the male, differs from the presence of gray tones to black head sites, where often there are white marks, back lighter. Autumn black head is a lot, as well differs from the white wagtail, appear white feathers on the chin and throat, gray back. Young throat and chin gray (young white tryasoguzok - white), is gryaznovato-white field on the wing. Weight and size - as the white wagtail. Often hybridization with white wagtail, found birds with intermediate traits. The voice - almost like a white wagtail. In the troubled repertoire, in addition to the signals similar to signals the white wagtail, is zhalobnoe "THIEY (Ryabitsev, 2001).  Distribution. Occurs in the south central Siberia to north latitude to the city Eniseyska. In the southern taiga eniseyskoy many in the townships (14-25 animals / km 2), on the banks of Yenisei rare (0.6 species / km 2), usually only in the rocky exits Yenisei edge (Rogacheva, 1988). Mnogochislena or usually in the zone podtaygi and lesotepi.
Habitats. Bird open landscapes. Typical inmate sand and rocky and pebbly or fins engulfed the shores of ponds and towns. In Sayanah kept on the shores of the relatively large mountain rivers and lakes and housing rights in the highlands is rare, even on the banks of reservoirs. In Minusinsk Basin in numerous towns and usually rare or on the banks of reservoirs. The same applies to its dissemination in the forest and podtayge (Rogacheva, 1988).  Phenology. Spring arrives early: by Krasnoyarsk is April 4-12, poorly nasizhennye masonry - the end of May, left the nest, young - 13 June (Yudin, 1952). In the south-western Taimyr mass transit - the end of May - 10 June, hatching chicks - the end of June - the first of July, well-flying vyvodki - July 22-26, departure - the beginning of September (Krechmar, 1966).
Reproduction. Jacks - on a precipice, in the rocks, heaps of fin, under the roots of trees in the villages, in a recess and schelyah buildings. In the south, may be two masonry. Masonry - typically 5 or greyish white, with light ohristym or greenish tinge, with small burovatymi spotted eggs (Syroechkovsky, Rogacheva, 1980). Nutrition. Feeds exclusively insects and their larvae. All the taiga villages and camp white wagtail - welcome, because it has a large number of flies decimating adversely sushaschiesya meat and fish. In a mass destroy mosquitoes, lovya them on the fly (Syroechkovsky, Rogacheva , 1980). References. |
