FAST, Dennis. Grouse Flying Crazy and Drumming High. Blue Jay, [S. l.], v. 37, n. 4, 1979. DOI: 10.29173/bluejay4305. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4305. Acesso em: 2 may. 2024.