MARJAKANGAS, A. A singing Chaffinch Fringilla coelebs in female plumage paired with another female-plumaged Chaffinch. Ornis Fennica, [S. l.], v. 58, n. 2, p. 90–91, 1981. Disponível em: https://ornisfennica.journal.fi/article/view/133068. Acesso em: 23 nov. 2024.