Field signs. The average bird with a long tail. The head, neck, upper chest, back, nadhvoste, tail and wings are black. Bottom and broad shoulders and the wing white. Wings short, mashet they often fly heavy. Voice - «check-check» and a sharp frequent chirr. Carefully (Syroechkovsky, Rogacheva, 1980). Distribution. Usually diluted forests of southern central Siberia, particularly in the river valleys and anthropogenic landscape. In continuous taiga barely penetrates (Rogacheva, 1988). In Minusinsk Basin numerous species riverine thickets, artificial forest and bush planting opushek taiga and forest groves, the vicinity of settlements (in forest planting 20 to 30 years of age - up to 260 individuals / km 2) (Rogacheav, 1988). In Usinskoy basin, according to our data, is rare; PP Sushkina (1914) at the beginning of the century was not met her at the Village. Constitution. In podtayge and southern taiga forty - large type of cultural landscape of major river valleys, especially the outskirts of towns where it breeds on the fringe of the forest and bush in the flood plain. At the Yenisey, ranging from 59 ° N, this bird pripoymennyh beds near the village. By Yenisei forty regularly nest in the southern and middle taiga in the southern severotaezhnoy subzones, which proved nesting (pos. Baklaniha, 64 ° 30 'N) (Rogacheva, Vakhrushev, 1983). Severnee on Yenisey and within Taimyr not met. In the upper river. Turuhan Village residents. Sovetskaya river known to very few meetings zaletnyh forty (Rogacheva et al, 1987). In srednetaezhnoy Evenkia our expedition magpie found in 1985 as a large nesting species (15.5 individuals / km 2) in the vicinity of village. Mutoray (61 ° 20 'N) and Arrow-Chunya (61 ° 45' N). In Vanavare on information gathered by us, in the 40's. Soroka sometimes appear, but the 50-ies. of them were not. At the Lower Tunguska, at the northern limit of the middle taiga, forty-summer 1986 he met with OA Chernikova a Village. Yukta (63 ° 30 'N), but there have been rare, but the slots and, on this survey, now in its second year Yukte individual birds in winter. In the middle taiga eniseyskoy most of the forty-winter otkochevyvaet, but well known to perezimovki individual birds (Rogacheva, 1988). Phenology clarified little. Under the Krasnoyarsk Soroka from the end of March, split into pairs and disappear from the city. Nest on the river Yenisey zaroslyam at and where forests alternate with open spaces. The full stack - at the end of April, the young takeoff - June 25. In late September, collected in the pack and start kochevat (Syroechkovsky, Rogacheva, 1980). Reproduction. Jack usually at a height of two to four meters ball, with the roof and the side entrance, made of branches, coat the inside wall of earth, tray vystlan wool or dry grass. Masonry - 5-8, rarely 9 bluish-green eggs with brown spots (Syroechkovsky, Rogacheva, 1980). Nutrition. Omnivorous. Basis of food - insects, fewer seeds, rodents, carrion. Within the edge of food is not known (Syroechkovsky, Rogacheva, 1980). References. |
