BAKER, E. C. S. Notes on the Birds of Hailuoto (Karlö) 65° lat. Finland. Ornis Fennica, [S. l.], v. 6, n. 3, p. 61–66, 1929. Disponível em: https://ornisfennica.journal.fi/article/view/132233. Acesso em: 21 may. 2024.