EISERMANN, Knut; OMLAND, Kevin. Coloration anomaly of a male collared Trogon (Trogon collris). ACTA ZOOLÓGICA MEXICANA (N.S.), [S. l.], v. 23, n. 2, p. 197–200, 2007. DOI: 10.21829/azm.2007.232576. Disponível em: https://azm.ojs.inecol.mx/index.php/azm/article/view/576. Acesso em: 9 ago. 2026.