CICHON, M. Egg weight variation in Collared Flycatchers Ficedula albicollis. Ornis Fennica, [S. l.], v. 74, n. 3, p. 141–147, 1997. Disponível em: https://ornisfennica.journal.fi/article/view/133467. Acesso em: 22 nov. 2024.