DIMITROVA, M.; BRAMBILLA, M.; NIKOLOV, B. P. Habitat preferences of Sombre Tit (Poecile lugubris) in a karst environment. Ornis Fennica, [S. l.], v. 97, n. 2, p. 79–88, 2020. DOI: 10.51812/of.133968. Disponível em: https://ornisfennica.journal.fi/article/view/133968. Acesso em: 18 may. 2024.