Moura, Aloysio Souza de, Felipe Santana Machado, Ravi Fernandes Mariano, Henrique Siqueira, Bruno Senna Corrêa, y Marco Aurélio Leite Fontes. «Record of Flocks Band of Black-Bellied Whistling Duck, Dendrocygna Autumnalis (Linnaeus, 1758) (Anseriformes: Anatidae) With Dendrocygna Viduata (Linnaeus, 1766) and Dendrocygna Bicolor (Vieillot, 1816)». Natureza Online 17, no. 1 (febrero 4, 2019): 025–027. Accedido septiembre 27, 2025. https://www.naturezaonline.emnuvens.com.br/revista/article/view/439.