KERN, Edith. Pine Siskins Nesting At Moose Jaw. Blue Jay, [S. l.], v. 32, n. 1, 1970. DOI: 10.29173/bluejay4073. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4073. Acesso em: 5 may. 2024.