PULLIAINEN, E. Optimal foraging theory and food selection by the Grey Partridge Perdix perdix in captivity. Ornis Fennica, [S. l.], v. 63, n. 4, p. 134–135, 1986. Disponível em: https://ornisfennica.journal.fi/article/view/133220. Acesso em: 22 nov. 2024.