Podiceps cristatus Linnaeus, 1758 Great Crested Grebe Races:
Numerous and common breeding migrant. Inhabits large fresh or brackish lakes with reed-beds, reed mace, cane and other vegetation. Prefers lakes with fish, but sometimes occurs on water without. On large lakes (eg. on Alakol' lake) often well away from reed-beds. Appears end February – early March in south Kazakhstan, or at end April – early May in the northern areas. Migrates singly, in pairs or in small flocks of 6-8 birds. Breeding in single pairs begins approximately one month after arrival. Nest built among floating vegetation mainly, but sometimes they are fixed sites, from reed stems, leaves, reed mace, rush, algae and others. Clutches of 3-7 eggs from end of April to mid-July. Broods from 3-4, less often 1 or 5-6 juveniles observed from end May up to end August – early September. Both parents care for them. Repeated breeding after loss of clutches is common. In autumn migrates mainly in small groups of up to 10-14 individuals but along northern coasts of Caspian Sea they accumulate in huge numbers. Autumn dispersal begins in late July; migration occurs from end August up to end of October - early November, when reservoirs freeze up.
Breeding and migrating on lakes and reservoirs throughout Kazakhstan, including southern Altai (Markakol’ lake) but excluding arid Mangyshlak and deserts where reservoirs are absent. Wintering in small numbers in south Kazakhstan, in the lower reaches of Arys, Keles and on Syrdarya rivers. In mild years wintering on Aral Sea at Barsa-Kelmes and on Sorbulak lake where 12 birds recorded 15 December 2002.
Gavrilov E. I., Gavrilov A. E. "The Birds of Kazakhstan". Almaty, 2005
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