STUART HOUSTON, Compiled by. Summary of 8th Annual Christmas Bird Count- 1949. Blue Jay, [S. l.], v. 8, n. 1, 1950. DOI: 10.29173/bluejay1147. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/1147. Acesso em: 2 may. 2024.