GUMMERSON, F.H. Mammal Notes: Beavers Do Cut Down Big Trees. Blue Jay, [S. l.], v. 17, n. 1, 1959. DOI: 10.29173/bluejay2350. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/2350. Acesso em: 18 may. 2024.