Field signs. Mostly coloring head and chest ash-or lead-gray. Issued a uniform look dark. The brown back distinct dark brown pestriny who did not go to nadhvoste. Abdomen whitish, sides fox, with brown nastvolnymi pestrinami. Male and female are very similar, the female gray less pure burovaty or a fox, especially at pestriny temeni. In the autumn operenii coloring generally the same, but more ryzhih tones. Young until the end of summer, almost did not have the characteristic gray head, is dominated by brown or sandy tones, with numerous brown pestrinami autumn indistinguishable from older birds. All ages feet of pink-brown, black and horny beak-colored, yellowish eyes, reddish-brown or brown. It is "nervous" twitch wings. Weight 16-25 g, 14-17 cm in length, wing 6,5-7,4 cm, the magnitude of 21-23 cm (Ryabitsev, 2001). Song, which serves mostly male sitting at the top of spruce and other wood, consists of a recurrence of high svistovyh trills, soft and rather sweet, melodic, like "viit-tirli-viit-tirli-viit-tirli-viit." This phrase is repeated with a slight pause. The most conventional pozyvki - high soft warble "sisisisi or monosyllable" tsiip "in distress - the same cries, but more dramatic. Actually silence rather (Ryabitsev, 2001). Distribution. Occurs in the forest regions of Europe and the west of Western Siberia. In the forest Predurale is small, quite normal view, to the north reaches Pripolyarya. As a rare species nest in Zaurale, eastern boundary nesting is not clarified. Zalety to the north are known to the forest-tundra (Ryabitsev, 2001). References. |
