MIKKOLA, H. On the activity and food of the Pygmy Owl Glaucidium passerinum during breeding. Ornis Fennica, [S. l.], v. 47, n. 1, p. 10–14, 1970. Disponível em: https://ornisfennica.journal.fi/article/view/132782. Acesso em: 23 nov. 2024.