HANSKI, I. K. Timing of copulations and mate guarding in the Chaffinch Fringilla coelebs. Ornis Fennica, [S. l.], v. 71, n. 1, p. 17–25, 1994. Disponível em: https://ornisfennica.journal.fi/article/view/133388. Acesso em: 5 nov. 2024.