Kortesalmi P, Pääkkönen S, Valkonen J, Nokelainen O. Bean goose migration shows a long-term temporal shift to earlier spring, but not to later autumn migration in Finland. Ornis Fenn [Internet]. 2023Aug.4 [cited 2024Nov.23];100(2):61-8. Available from: https://ornisfennica.journal.fi/article/view/119806