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2016-04-19
Ytlyk |
© Viacheslav Kaistro
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Adult Terek Sandpiper in summer plumage is grey brownish tinged above; with narrow longitudinal streaks on all feathers and with longitudinal black streaks on mantle-flanks (which formed by broad black spots on feathers of shoulders). Forehead and supercilium are white, lores is dark-brownish. Upper tail coverts are with narrow dark cross-strips. Underparts including axillaries are white with brownish streaks on craw, head-flanks and breast. Primaries are dark-brown, secondaries are grey-brownish white tipped. Tail feathers are grey with mottles on inner webs. Bill is black, long (1.5 times longer than tarsus), thin, heavy upturned. Legs are yellowish. Eyes are dark-brown. Winter plumage is distinguished from summer ones by obscurity of black streaks on upperparts and streaks on head and craw. Juveniles are similar on winter adults but its upperparts feathers are with buffy edges. Sizes - wing 121-137, tarsus 26-34, bill 37-54 mm.
"Птицы Казахстана" том 2. Алма-Ата, 1962.
