ORELL, M. Nestling growth in the Great Tit Parus major and the willow Tit P. montanus. Ornis Fennica, [S. l.], v. 60, n. 3, p. 65–82, 1983. Disponível em: https://ornisfennica.journal.fi/article/view/133128. Acesso em: 18 touko. 2024.