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Family [Tryasoguzkovye] Of motacillidae |
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Mountain wagtail Motacilla of cinerea Of tunstall, 1771 Name of view of other languages
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Field signs. Tail long, is more than the length of body. The top is gray, wings auger- black, throat and the abdomen whitish, remaining bottom and to [nadkhvoste] yellow. Voice - loud [tsit]-[tsit] . It is similar to the yellow wagtail, but it is more ordered, tail is longer. Is characterized by greenish-yellow [nadkhvostem], in males in spring black throat ([Syroechkovskiy], [Rogacheva], 1980).
In [Sayanakh] the usual form of mountain tundras, stony coasts of creeks and lakes. Number on the coasts r. large [Ury] - 3 [osobi]/[km]2, in the plains sections of the upper reaches of mountain creeks with the ducts, which have pebble shores, to 10 individuals (Prokofiev, 1987). It is encountered on the coasts of creeks and it is channel from the mountain tundras to the foothills. Jack number on the banks of rivers in [srednegore] of Western [Sayana] - 6,6 individuals on 10 km of coast, in eastern [Sayane] in the different years - 5,3-11,2 [osobi]/[km]2 (Kim, 1977). [D].[V]. [Vladyshevskiy] indicates the clear differentiation of biotopes by the mountain and white wagtails: mountain wagtails practically do not nest on the large rivers (Yenisey, Angar); on the inflows of the Yenisey and the hangars with width 50-60 m nest first those, then others; on the small creeks and the streams - almost exceptionally mountain ([Rogacheva], 1988). In the plains part of the south of edge it is not noted. In the southern taiga sporadically it is encountered on the small creeks even, where there is no stone ground, but where the river bed is partitioned by the forest obstructions ([Moskvitin] and other, 1977). In the southern taiga Yenisey it is numerous on the proximity with the Yenisey mountain ridge (in the mouth r. Of [pucheglazikhi] on 0,7 km of river 4 jack pairs); in the lower reaches of the river r. Of [kas] it is usual in June (4 individuals on 10 km of the bed of river); after the departure of the young of wagtail they are concentrated in the settlements (Boer, [Vakhrushev], 1983). In the Yenisey average taiga it is usual on the nesting place in the south of subzone ([Vorogovo], 61o N), where it is encountered during the recent cuttings down in pine borons, in the settlements of lumbering enterprises, on the narrow strip of the right shore of the Yenisey with the low outputs of stones and the accumulations of fin; during the cuttings down frequently it nests among the piles of the untidy logs. In peaceful (62o15' N) rarely it nests on the pebble shores of the Yenisey and lateral creeks and in the settlement (1-2 pairs on 10 km of coast). In the northern Yenisey taiga it is rare, but it nests to the polar circle ([Rogacheva], 1988). On the right tributaries hangars in the limits of Krasnoyarskiy Kray it is usual, by places numerous. The same relates also to central-taiga [Evenkii]. In its [severotaezhnoy] part the mountain wagtail rarely nests on the lower Tungus coasts downstream approximately to the fucoid. In mountains The [putorana] - rare being nested form boundary of forest vegetation ([Krechmar], 1966). Phenology. Under Krasnoyarsk arrives flying at the beginning of May, in the middle of June - [sletki], autumnal flight - prior to the beginning of October ([Syroechkovskiy], [Rogacheva], 1980). Multiplication. Nests on the earth, usually in the deepening of cliff or under the stone. Laying - 4-6 yellowish-gray eggs with the dark spots. Nourishment. It feeds by insects ([Syroechkovskiy], [Rogacheva], 1980).
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![Figure [V].[K]. Of [ryabitseva]](img/img_255.gif)
Propagation. The bird of the banks of mountain rivers it is channel. It populates the mountains of the south of edge, in essence in the limits of the belt of forest vegetation it is above, it is extended in average Siberia throughout the entire taiga zone ([Syroechkovskiy], [Rogacheva], 1980).
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