HJERTAAS, Dale G. The Cattle Egret Arrives in Saskatchewan. Blue Jay, [S. l.], v. 37, n. 2, 1979. DOI: 10.29173/bluejay4428. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4428. Acesso em: 18 apr. 2024.