BANCROFT, Jean. Purple Martins Near Whytewold, Manitoba. Blue Jay, [S. l.], v. 38, n. 1, 1980. DOI: 10.29173/bluejay4583. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4583. Acesso em: 4 may. 2024.