TIAINEN, J. Adaptedness of the Willow Tit Parus montanus to the migratory habit. Ornis Fennica, [S. l.], v. 57, n. 2, p. 77–81, 1980. Disponível em: https://ornisfennica.journal.fi/article/view/133037. Acesso em: 18 touko. 2024.