HOUSTON, Stuart. The Caspian Tern in Saskatchewan - with First Nesting Period. Blue Jay, [S. l.], v. 14, n. 4, 1956. DOI: 10.29173/bluejay1797. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/1797. Acesso em: 4 apr. 2025.