DEKKER, Dick. Disappearance of the Peregrine Falcon as a Breeding Bird in a River Valley in Alberta. Blue Jay, [S. l.], v. 25, n. 4, 1967. DOI: 10.29173/bluejay2995. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2995. Acesso em: 2 may. 2024.