FOX, Anthony D. et al. Seeking explanations for recent changes in abundance of wintering Eurasian Wigeon (Anas penelope) in northwest Europe. Ornis Fennica, [S. l.], v. 93, n. 1, p. 12–25, 2016. DOI: 10.51812/of.133884. Disponível em: https://ornisfennica.journal.fi/article/view/133884. Acesso em: 18 nov. 2025.