FRIESEN, Wilfred B. The Lost Hosts of Passenger Pigeons. Indian Forester, [S. l.], v. 62, n. 11, p. 710–712, 1936. DOI: 10.36808/if/1936/v62i11/21070. Disponível em: https://indianforester.co.in/index.php/indianforester/article/view/21070. Acesso em: 21 aug. 2025.