HOGSTAD, O.; STENBERG, I. Sexual differences in physical condition in the White-backed Woodpecker Dendrocopos leucotos. Ornis Fennica, [S. l.], v. 82, n. 1, p. 26–31, 2005. Disponível em: https://ornisfennica.journal.fi/article/view/133629. Acesso em: 12 may. 2024.