The most part of Siberia, from steppe to forest-tundra and south of tundra. Most common in the northern taiga zone.
Common breeding migrant. Inhabits forested and shrubby river valleys and mountain lakes up to 1600 m. Appears in April, main movement end April, but in more northern areas - early May. Latest records are from mid-May in southern Kazakhstan. Nest is built under canopy of bush or high grass near water, at times up to 1 km away from water, in shallow hollow lined with dry grass stems and down. Clutches of 6-9 eggs recorded from late May – end June. Juveniles hatch mid-June, mainly July, and begin to fly mid-July – late August. Most males moult in lakes with reed-beds in Siberia and Kazakhstan (June – July). Autumn migration begins mid-August, peak movement September – beginning of October. Some birds stay winter on water, which are not covered with ice.
В.К.Рябицев. "Птицы Сибири". Москва-Екатеринбург, Изд-во "Кабинетный ученый", 2014
