POLAKOWSKI, Michal; JANKOWIAK, Lukasz; STEPNIEWSKI, Krzysztof; STEPNIEWSKA, Katarzyna; KRUCKENBERG, Helmut; EBBINGE, Barwolt S.; BRONISZEWSKA, Monika; CICHOCKA, Anna. Timing and duration of spring staging of the Eurasian Greater White-fronted Goose (Anser albifrons albifrons) in relation to sex, age and progress of migration season. Ornis Fennica, [S. l.], v. 96, n. 1, p. 24–32, 2019. DOI: 10.51812/of.133944. Disponível em: https://ornisfennica.journal.fi/article/view/133944. Acesso em: 22 nov. 2025.