KRIVDA, W. Hibernating Bumble Bees at the Pas, Manitoba. Blue Jay, [S. l.], v. 39, n. 4, 1981. DOI: 10.29173/bluejay4331. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4331. Acesso em: 7 may. 2024.