KASPRZYKOWSKI, Z.; CIESLUK, P. Rough-legged Buzzard Buteo lagopus wintering in central eastern Poland: population structure by age and sex, and the effect of weather conditions . Ornis Fennica, [S. l.], v. 88, n. 2, p. 98–103, 2011. DOI: 10.51812/of.133767. Disponível em: https://ornisfennica.journal.fi/article/view/133767. Acesso em: 22 nov. 2024.