KUYT, E. Downstream Movement of Moulting Whistling Swans, Thelon River, N.W.T. Blue Jay, [S. l.], v. 22, n. 1, 1964. DOI: 10.29173/bluejay2801. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2801. Acesso em: 2 may. 2024.