1. Danilov, N.N., Ryzhanovskii, V.N., and Ryabitsev, V.K., Ptitsy Yamala (Birds of Yamal), Moscow: Nauka, 1984.
2. Grishchenko, V.N., Changes in the dates of bird migration in the Kanev Nature Reserve, Branta: Sb. Nauch. Tr. Azovo-Chernomorsk. Ornitol. Stantsii, 2010, no. 13, pp. 33–39.
3. Lehikoinen, E., Sparks, T.H., and Zalakevicius, M., Arrival and departure dates. The effect of climate change on birds, Adv. Ecol. Res., 2004, vol. 35, pp. 1–31.
4. Paskhal’nyi, S.P., Dates of arrival of some species of birds to the lower reaches of the Ob River in 1970–2002, in Mnogoletnyaya dinamika chislennosti ptits i mlekopitayushchikh v svyazi s global’nym izmeneniem klimata. Materialy mezhdunarodnogo simpoziuma (11–16 noyabrya 2002, Rossiya, Respublika Tatarstan, Kazan’) (Long-Term Dynamics of the Abundance of Birds and Mammals in Relation to the Global Climate Change: Proc. Int. Symp. (November 11–16, 2002, Kazan, Republic of Tatarstan, Russia)), Kazan, 2002, pp. 151–156.
5. Ryzhanovskii, V.N., Distribution of hooded crows from the Lower Ob region in non-breeding season (according to the results of banding), in Materialy po rasprostraneniyu ptits na Urale, v Priural’e i Zapadnoi Sibiri (Materials on Bird Distribution in the Urals, Cis-Urals, and Western Siberia), Yekaterinburg: Ural. Univ., 2005, p. 234.