HJERTAAS, Dale. Dancing Sharp-Tailed Grouse and Predators. Blue Jay, [S. l.], v. 32, n. 1, 1970. DOI: 10.29173/bluejay4072. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4072. Acesso em: 6 apr. 2025.