SCHMIDT, Adam. Request for Sightings of Colour-Marked Snowy Owls. Blue Jay, [S. l.], v. 33, n. 4, 1970. DOI: 10.29173/bluejay3847. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3847. Acesso em: 22 jul. 2024.