HAMMELL, Gord. Erickson Study Area: Duck Breeding Populations and Habitat, Then (1970-72) and Now (2008-13). Blue Jay, [S. l.], v. 72, n. 3, p. 123–139, 2014. DOI: 10.29173/bluejay212. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/212. Acesso em: 25 apr. 2024.