DZUBIN, Alex. Pairing Display and Spring and Summer Flights of the Mallard. Blue Jay, [S. l.], v. 15, n. 1, 1957. DOI: 10.29173/bluejay2108. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2108. Acesso em: 22 nov. 2024.