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2022-05-08
Aksagaty |
© Andrey Ojegov
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The Rufous-tailed Rock Thrush is less than Starling. The spring male has the grayish-blue head, neck, back's fore and throat. The middle of the back is white; the rump is bluish-black. The uppertail, underparts and underwing coverts are rufous. The flight feathers and the upperwing coverts are blackish-brown. The central pair of the tail feathers is dark-brown, other ones are rufous. The bill and claws are black, legs are blackish-brown. The female in breeding plumage has buffy-brown upperparts; the head, back and rump have not always appreciable black scaly pattern. The uppertail is rufous. The chin and throat are dirty white, other underparts are buffy-sandy with dark-brown cross scaly pattern. The flight feathers are dark-brown with narrow light tips. The central pair of the tail feathers is rufous-brown, other ones are rufous. The Autumn male has dark brown buffy tinged upperparts. The underparts are orange-rufous; each feather has white tip and black terminal strip formed scaly pattern. The flight and tail feathers have broad whitish tips. The autumn female is similar to autumn male but has the browner yellowish mottled upperparts and the light-yellowish underparts. The juveniles are similar to female but the body feathers have white terminal strips. The flight feathers also have broad whitish or buffy-whitish tips. Weght 40-65 grams, length 23, wingspan 37, wing 11-13, tail 7 cm.
"Птицы Казахстана" том 3. "Наука". Алма-Ата, 1970. А.Ф.Ковшарь "Певчие птицы". Алма-Ата, "Кайнар", 1983.
