KOPIEC, Katarzyna; OZAROWSKA, Agnieszka. The origin of Blackcaps Sylvia atricapilla wintering on the British Isles. Ornis Fennica, [S. l.], v. 89, n. 4, p. 254–263, 2012. DOI: 10.51812/of.133813. Disponível em: https://ornisfennica.journal.fi/article/view/133813. Acesso em: 14 dec. 2025.