Bazdyrev A.V., Murzakhanov E.B.
Data on Sociable Lapwing and White-Headed Duck in 1960-90th were taken from the Red List of the Novosibirsk oblast: mammals, birds, amphibian, fish, worms, insects (Eds. Sergeev M.G.- Novosibirsk, 2000. 316 p.) and from Gordienlo N.S., Drobovtsev V.I., Koshelev A.I. - "Biology of White-Headed Duck in Northern Kazakhstan and on the South of Western Siberia." / In the book "Rare, endangered and little-studied birds of USSR". Moscow, 1986.
BirdLife International (2023) Important Bird Area factsheet: Wetlands of Karasuk town. Downloaded from http://datazone.birdlife.org/site/factsheet/wetlands-of-karasuk-town-iba-russia-(central-asian) on 03/10/2023.