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Common Starling

Sturnus vulgaris (Linnaeus, 1758)

Обыкновенный скворец
adult

2021-04-18
Barnaul, Lyapikha
© Vladimir Maer

Description

The adult male of the Common Starling in breeding plumage is black with the green, purple and bronze metallic gloss. All body excluding the throat and breast is with some number of the white or buffy spots and edges of the feathers. In the end of the nesting period the feathers gradually staling lose these edges. The upperwing is black with the narrow white or broad buffy edges. The bill is yellow, long and thin; legs are brown, claws are black. The eyes are dark brown. The female is similar but has less metallic gloss. The eyes are very light almost white. After the autumn molting birds have the much expanded buffy or white edges of the feathers which sometimes almost hide the base color on the mantle. Juveniles are plain dark-brown with lighter whitish throat. The flight feathers and its coverts with light-buffy edges. Weight 66,0-97,5 grams, length about 230, wing 117-137, tail 61,2-72,0 mm.

Biology

The Common Starling is common breeding migrant. It inhabits the flood-lands and riparian forest; rivers' clay precipices; groves near lakes; towns, villages and farms; close to open country (meadows, pastures, steppes) on the plains, in foothills and mountains up to 1000-1500 m. On migration it observed in the vineyards, cherry gardens, hay fields, stubble fields, shore of rivers and lakes, especially with reed-beds. It appears in mid February – early March in southern areas, and in end March – early April in northern ones; in flocks of 10-200 birds. Majority of the birds migrate on mid March – mid April, last migrants recorded in the end of May. The intensive migration continues for about one week. Breeds in loose colonies or in separate pairs, though not far one from another. Nest is built in the tree hole; in rocky cracks; human constructions and nest-boxes; in holes in precipices (often in the former nest holes of the Sand Martin, Bee-eater and Roller); among old nests of raptors and Rooks. Both partners clear the cavity and build the new nest from the dry grass and line it with the thinner grass and during incubation with some fresh herbage (tomato, dill, wormwood). Clutches of 3-8 (more often of 5-6) eggs are laid in mid April – end June. The only female incubates (probably the male some assistance) for 11-14 days. Both parents feed juveniles, which fledge at around three weeks, end May – end July. Most pairs of porphyronotus subspecies are double brood (proved by ringing studies); other subspecies are one brood. Repeated breeding after losing of the first nest is common. An autumn movement starts in July and August. Juveniles of first brood quickly disappear from the breeding areas; they agglomerate in flocks and start to wander. In this time the Starlings concentrate in flocks of hundred of thousands birds to stay overnight usually in the reed-beds or scrubs. The true migration occurs from early September to end November, the majority of the birds migrate in mid September – end October. Some individuals have been recorded in winter.

References

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Birds of Azerbaijan

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Birds of Far East Russia

Birds of Georgia

Birds of Kazakhstan

Birds of Kyrgyzstan

Birds of Lithuania

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Birds of Northern Eurasia

Birds of Russia

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Birds of Uzbekistan

Birds of Xinjiang

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