KOZIJ, K. An Unusual Raven Nest Site – On a Grain Elevator at Fosston. Blue Jay, [S. l.], v. 44, n. 2, 1986. DOI: 10.29173/bluejay4831. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4831. Acesso em: 1 dec. 2022.