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2019-05-07
Turaqurgon |
© Vyacheslav Yusupov
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The male of the Black-headed Wagtail in breeding plumage has velvet-black crown, lores, ear coverts, nape and sometimes fore mantle. Some specimens have white of yellow supercilium. The upperparts are yellow-green or grayish-yellowish-green, the rump is slightly bright. The underparts are bright-yellow, the chin sometimes is white. The wing coverts and flight feathers are brownish with white, yellowish or yellow edges. The two outer pairs of tail feathers are white with some dark on the inner webs; all other tail feathers are dark-brownish with narrow pale edges. The bill and legs are black. The female in breeding plumage is brownish green-olive tinged above; the rump is grayish. Old specimens have dim-black head, neck, ear coverts and lores. Upperparts are white slightly yellowish tinged. The wing coverts and flight feathers are with narrow white or yellowish edges. The tail feathers are same on male, the bill and legs are brownish. After autumn molting the Black-headed Wagtails have on upperparts greenish-yellow tips of feathers which almost full hid the black color of male's head; therefore males and females are similar. Juveniles in first plumage are buffy-brownish, ear coverts are whitish black mottled. After the autumn molting juveniles are similar on female. Weight 15-18 grams, male wing 75-86, tail 60-78 mm.
"Птицы Казахстана" том 3. "Наука". Алма-Ата, 1970.
