SVENSSON, T. A review of mass concentrations of Bramblings Fringilla montifringilla: implications for assessment of large numbers of birds. Ornis Svecica, Lund, Sweden, v. 31, p. 44–67, 2021. DOI: 10.34080/os.v31.22031. Disponível em: https://journals.lub.lu.se/os/article/view/22031. Acesso em: 24 sep. 2022.