FISHER, Harold. Northern Hawk Owls Use Nest Box. Blue Jay, [S. l.], v. 74, n. 4, p. 14–15, 2016. DOI: 10.29173/bluejay359. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/359. Acesso em: 1 may. 2024.