ROGER, Ed. Trumpeter Swans in the Strawberry Lakes Area of Southeast Saskatchewan. Blue Jay, [S. l.], v. 75, n. 4, p. 16–17, 2017. DOI: 10.29173/bluejay12. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/12. Acesso em: 23 nov. 2024.