JAATINEN, K.; LEHIKOINEN, A.; LANK, D. B. Female-biased sex ratios and the proportion of cryptic male morphs of migrant juvenile Ruffs (Philomachus pugnax) in Finland . Ornis Fennica, [S. l.], v. 87, n. 4, p. 125–134, 2010. DOI: 10.51812/of.133751. Disponível em: https://ornisfennica.journal.fi/article/view/133751. Acesso em: 18 touko. 2024.