BUTT, Usne J.; BLAS, Julio; POLLOCK, Michael S. Novel foraging behaviours of black-billed magpies. Blue Jay, [S. l.], v. 63, n. 2, 2005. DOI: 10.29173/bluejay5715. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/5715. Acesso em: 3 may. 2024.