KOES, R. F. .; TAYLOR, P. Changes in Early Winter Bird Populations in Winnipeg, Manitoba (1978 – 2017). Blue Jay, [S. l.], v. 77, n. 3, p. 18–25, 2019. DOI: 10.29173/bluejay399. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/399. Acesso em: 27 oct. 2021.