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White-winged Tern

Chlidonias leucopterus (Linnaeus, 1758)

Белокрылая крачка
adults

2008-05-18
Presnoe Lake, Mikhailovsky district, Altai Territory
© Andrey Bazdyrev

Biology

Common breeding migrant. Inhabits the shallow-water steppe lakes, marshy meadows, slow-current steppe rivers, abundantly covered with emergent vegetation. In spring arrives in early – mid-May in small flocks of 10-20 (rare up to 30) birds. Breeds in colonies of 10-20, up to 200 pairs, together with other birds, especially with Little Gull, but also with Black-necked Grebe or with waders. Nest is located on the dry reed heaps, tussocks or among the marsh grass; nest is built from the dry grass, at distance 1-3 m one from another. Clutch of 1-4 (usually 2-3) eggs produced in end of May - June. Flying juveniles were recorded in mid-July – early August. Autumn migration is early, most birds fly out in August.

References

В.К.Рябицев. "Птицы Сибири". Москва-Екатеринбург, Изд-во "Кабинетный ученый", 2014.

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