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Crimson-winged Finch

Rhodopechys sanguinea (Gould, 1838)

Краснокрылый чечевичник | Құзылқанат құралай
male

2010-05-16
Big Boguty mountains, Almaty oblast
© Sergey Eliseev

Description

Male Crimson-winged Finch in breeding plumage have black crown; scaly pattern on forehead, which formed by narrow buffy edges of feathers. Mantle, nape, head-flanks, throat and body-flanks are brown-buff. Mantle has clear pattern of dark-brown triangle patches, but on body-flanks the feathers have only narrow shaft-streaks. On cheeks and over eyes there are buffy feather with intensive crimson tinge. Underparts are white pinkish tinged. Flight feathers are black with broad fluffed crimson-pink borders of outer webs, which formed large reddish patch on furled wing. Central tail feathers are black with narrow white or white-pink borders of webs and with broad white terminal edges; outer pair is white with dark shaft; two next pairs have large black terminal spots. Uppertail is pale-buff or off-white pink-tinged. On males having brighter pink-red tones the brownish-buff tone is darker, almost chestnut. Legs are from pale-horn-color to black. Eyes are dark-brown, bill is plain yellow-horn or with blackish tip of upper mandible. In autumn plumage all head and most of underparts are plain buff-brownish, slightly spotted; red-pinkish tones are paler. Female is distinguished from male by browner color of mantle and by plain buffy underparts. Crown not black, but with dark-brown broad washed streaks. Reddish tones on wing are easy expressed and lack on uppertail. Flight and tail feathers are dark-brown not black. Juveniles in first plumage are brownish without streaks. Its flight and tail feathers are dark-brown with broad buff terminal edges. On females bases of secondaries and borders of outer webs are white or slightly pink, on males – bright-pink. Sizes: males – wing 95-108, tail 55-70, tarsus 18.2-22.5, bill 11.0-14.6; females – wing 91-103, tail 53-64, tarsus 18.0-22.5, bill 10.8-13.3 mm. Weight: males 32.7-47.7, females 32.4-45.7 gr.

Distribution

Crimson-winged Finch breeds and occurs on migration in Western Tien Shan (Chatkalskiy, Pskemskiy, Ugamskiy ridges and western part of Talasskiy Alatau), in Chu-Iliyskiye Mts., probably in Zailiyskiy Alatau (Zhetyzhol Mts., Boguty Mts.), in Dzhungarskiy Alatau (Altynemel, Chulak, Matay and Malaysary ridge) and in Monrak ridge. In May observed in Borolday and near Kurday Pass, but breeding not confirmed. Probably occupies Kirgizskiy Alatau, where recorded in July. On migration recorded at Chokpak and Kurday Passes, in Tien Shan foothills, on Bolshoye Almatinskoye lake. In winter occurs in Chemolgan ravine, Zhetyzhol, Boguty Mts., Malaysary, Karatau, and near Shimkent.

Biology

Crimson-winged Finch is rare or in places accidental breeding migrant. It inhabits dry well-heat stony slopes with rocks; from foothills up to alpine meadow, in Talasskiy Alatau up to 2800-3000 m. In spring it arrives in end February - early March, but in cold spring at mid-April only. Nest is built on ground under stone or grass; nest is from dry grass and rootlets and is lined with thin grass and bast of grass stems; Female only constructs nest (male escort her). Clutches of 4-5 eggs is founded from May to early July. Only female incubates for 12-13 days, male feed her. Food for juveniles Crimson-winged Finch gathers in under-tongue sack, such as Leucosticte Finches do it. Both parents feed juveniles, which fledge at 16-17 days old. Broods dependent from parents recorded up to mid-August. One brood per season, repeated breeding after losing of first nest is possible. First time after breeding Crimson-winged Finches disperse on mountain slopes in flocks of 10-30, sometimes of 50-100 birds. On Chokpak Pass dispersing birds observed from mid-August. Autumn migration mainly in September - October, latest flocks observed near Dzhabagly village at 27 November 1964 and 1 December 1973.

Subspecies

Rhodopechys sanguinea sanguinea (Gould, 1838)

References

"Птицы Казахстана" том 5. "Наука". Алма-Ата, 1974. Э.И.Гаврилов. "Фауна и распространение птиц Казахстана". Алматы, 1999. Gavrilov E. I., Gavrilov A. E. "The Birds of Kazakhstan". Almaty, 2005.

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subspecies

Rhodopechys sanguinea sanguinea
(Gould, 1838)

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