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Asiatic Dowitcher

Limnodromus semipalmatus (Blyth, 1848)

Азиатский бекасовидный веретенник | Тарбақ шырғалақ

1999-08-05
Isey Lake, Korgalzhin State Natural Reserve, Akmola oblast
© Jürgen Steudtner

Description

Asiatic Dowitcher in size and coloration is very similar to Bar-tailed Godwit, but is distinguished by specific formation of bill: it is long, thin and with the upper mandible some enlarged plated rugged in terminal part. In addition to bill formation Asiatic Dowitcher is well differed from Godwits by the toes, all of which are connected by small but well notable webs. Adult Dowitcher in summer plumage has chestnut-rusty head, neck, craw, fore-breast and flanks; crown and lores are darker than rest parts, blackish-brownish, forehead and chin are backward paler than rest parts. Mantle, scapulars and inner secondaries are blackish-brown with broad pale edges of feathers, this adges are rufous in fore-mantle and white in rear part of mantle. Uppertail is whitish buffy tinged. Flight feathers are blackish-brown, secondaries and its coverts are with white edges. Axillaries are white with rare dark spots. Female is slightly dimmer than male. Bill and legs are black. Eyes are dark-brownish. In winter plumage adult birds have grayish-brown upperparts with white edges of feathers; underparts are off-white with dark cross-streaks on breast and flanks. Juveniles are similar on winter adults but its feathers edges are buffy, breast is pale-buff. Size: wing 166-180, tarsus 45-53, bill 72-83 mm.

Distribution

n the early of XX century Asiatic Dowitcher nested near border of Kazakhstan with Altaisky Kray at Lokot village. The one only breeding colony of about 10 pairs was found at 21 June 1973 on 2.5 hectares of meadow in upper streams of Kokpekty and Kindykty rivers, in 55 km south-east of Zharma station. On migration recorded it Semipalatinsk (1893), in Turkestan area (19 August 1909), Tashkent (16 September 1908), near Sasykkol lake (two birds caught at 22 July 1989), on Kurgaldzhino lakes (9 July 2001 and 5 August 1999) and Petropavlovsk area (one bird obtained 28 July 2003). In July 1982 a pair was observed in Tobol valley nearby of border of Kazakhstan.

Biology

Asiatic Dowitcher is accident breeding migrant. It inhabits wet grass-sedge meadows. During migration occurs on saline, muddy or sandy shores of salty lakes. In spring arrived from mid-April to end of May. Breeds in colonies up to 20 pairs. Clutches of 3 or more often 2 eggs is in end of May - June. In the colony founded 21-22 June 1973 there were the eggs on late stage of incubation or small nestlings. At autumn it observed from early July to mid-September.

References

"Птицы Казахстана" том 2. Алма-Ата, 1962.
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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