VERMEER, Kees. Insular Great Blue Heron Coloies on Large Manitoba Lakes. Blue Jay, [S. l.], v. 28, n. 2, 1970. DOI: 10.29173/bluejay3545. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3545. Acesso em: 19 may. 2024.