KALCOUNIS, M. C.; CSADA, R. D.; BRIGHAM, R. M. The Status and Distribution of the Common Poorwill in the Cypress Hills, Saskatchewan. Blue Jay, [S. l.], v. 50, n. 1, 1992. DOI: 10.29173/bluejay5321. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5321. Acesso em: 27 nov. 2021.