SEALY, S. G. Incursion of Post-Breeding Pine Siskins in the Dune- Ridge Forest, Delta Marsh, Manitoba, 1985. Blue Jay, [S. l.], v. 76, n. 2, p. 28-30, 2018. DOI: 10.29173/bluejay23. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/23. Acesso em: 6 aug. 2020.