F. das C. V. Santos, W. M. S. Souto, A. S. N. Ribeiro, R. F. P. de Lucena, e A. Guzzi, “Traditional knowledge and perception of birds in the Parnaíba Delta environmental protection area, Northeast Brazil”, Acta Sci. Biol. Sci., vol. 42, nº 1, p. e47722, fev. 2020.