WEBER, W. C. Bird Predation on the Yellow-Headed Spruce Sawfly, With Notes on the Larch Sawfly. Blue Jay, [S. l.], v. 34, n. 3, 1970. DOI: 10.29173/bluejay4236. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/4236. Acesso em: 6 may. 2024.