KELLER, M.; JEDRZEJEWSKA, B. Wintering tactics of the Kingfisher Alcedo atthis. Ornis Fennica, [S. l.], v. 66, n. 4, p. 157–160, 1989. Disponível em: https://ornisfennica.journal.fi/article/view/133290. Acesso em: 22 nov. 2024.