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Barn Swallow

Hirundo rustica (Linnaeus, 1758)

Деревенская ласточка | Қыстау қарлығашы
adult

2010-05-20
Sasyk well, Malay-Sary ridge, Almaty oblast
© Askar Isabekov

Description

The Barn Swallow is a little bird with long body, long deep-forked tail, long with pointed tip wings, short and broad bill and short and slack legs. The adult male has steel blue upperparts and a rufous forehead, chin and throat, which are separated from the off-white (or rusty on some subspecies) underparts by a broad dark blue breast band. The outer tail feathers are elongated, giving the distinctive deeply-forked "swallow tail." There is a line of white spots across the outer end of the upper tail. The female is similar in appearance to the male, but the tail streamers are shorter, the blue of the upperparts and breast band is less glossy, and the underparts more pale. The juvenile is browner and has a paler rufous face and whiter underparts. It also lacks the long tail streamers of the adult. Length 17–23 cm including 2–7 cm of elongated outer tail feathers. It has a wingspan of 32–34.5 cm and weighs 16–22 grams.

Distribution

The Barn Swallow in Kazakhstan nests near the human settlements in all countries excluding mountains and deserts. On migration occurs throughout. The detailed distribution in Kazakhstan please see in the chapter "Subspecies".

Biology

The Barn Swallow is common, sometimes abundant, breeding migrant. It inhabits localities (farms and villages), both on plains and in mountains up to 1800-2000 m in Tien Shan and 1500 m in Altai; often near the water. During migration it occurs in steppes, deserts, meadows, and near rivers and lakes especially with adjoining reed-beds, where they roost in huge numbers. It appears in small flocks of 20 - 50 birds in the end March – early April in southern areas, and in the mid April – early May in mountains and northern parts of the range. At Chokpak Pass last spring migrants recorded in the end May – early June. The Barn Swallow breeds by single pairs and in loose colonies of several dozen pairs. Nest is built under the roofs of houses, verandas, attics, sheep-folds, and cow-sheds; under the bridges, on the walls and on other suitable vertical surfaces. It is constructed from the mud balls mixed with some grass and hair and is lined with the thin grass, hairs and feathers. Both partners build nest for 4-10 days. Clutches of 3-8 (more often of 4-6) eggs found at end April – mid August. Only female incubates for 12-18 days. Both parents feed juveniles, which fledge at 20-22 days, in mid June – early September. Exceptionally late broods fed by parents have been recorded on 2 October 1962 and 6 October 1948. Two broods are reared per season and repeated breeding after losing of the first nest is common. It fed mostly by flying insects, sometimes by spiders caught on the walls or in grass. Autumn migration starts in mid August. Majority of birds migrate in mid September - early October, in mixed flocks with Pale Sand Martin, Sand Martin, Red-rumped Swallow and House Martin. At Chokpak Pass, a huge flock of about 300-400 thousands birds was observed on 1 October 1967 between 2pm and 5pm. Last autumn migrants recorded on mid – late October. In south-eastern Kazakhstan the cases of mass death of Barn Swallows has been noted in spring and autumn, after the spells of heavy rain, snow and frost.

Subspecies

Hirundo rustica rustica (Linnaeus, 1758)

    Description. Underparts are white or light-buffy, the brown throat patch is medium-sized and not disparts a dark breast band.
    Distribution. Breeds in Kazakhstan almost everywhere except high mountains and waterless deserts. On migration occurs throughout.

Hirundo rustica tytleri (Jerdon, 1864)

    Description. Underparts are rich chestnut, the brown throat patch is large and usually disparts a dark breast band.
    Distribution. May be observed on migration on the eastern and southern parts of Kazakhstan.

Hirundo rustica gutturalis (Scopoli, 1786)

    Description. Underparts are light-buffy or cream, rarer white, occasionally light-chestnut. The brown throat patch is large and disparts a dark breast band.
    Distribution. May be observed on migration on the eastern and southern parts of Kazakhstan.

References

В.К.Рябицев. "Птицы Урала, Приуралья и Западной Сибири". Екатеринбург, Изд-во Уральского университета, 2000.
Gavrilov E. I., Gavrilov A. E. "The Birds of Kazakhstan". Almaty, 2005.
Э.И.Гаврилов. "Фауна и распространение птиц Казахстана". Алматы, 1999.

supplement

subspecies

Hirundo rustica rustica
(Linnaeus, 1758)
information gallery
Hirundo rustica tytleri
(Jerdon, 1864)
Hirundo rustica gutturalis
(Scopoli, 1786)

other names

Касатка

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Hirundinidae

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