HEINICKE, Thomas; YAKUSHEV, Nikolay N; SYROECHKOVSKI, JR, Evgeny E. The importance of the Kanchalan River, Chukotka, Russia, for the Lesser White-fronted Goose Anser erythropus. Wildfowl, [S. l.], p. 124–134, 2013. Disponível em: https://tidsskrift.dk/Wildfowl/article/view/153924. Acesso em: 16 dec. 2025.