VERMEER, Kees. Some Aspects of the Nesting of Double-Crested Cormorants at Cypress lake, Saskatchewan, in 1969; A Plea for Protection. Blue Jay, [S. l.], v. 28, n. 1, 1970. DOI: 10.29173/bluejay3630. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3630. Acesso em: 22 jul. 2024.