VALDÉS-PEREZGASGA, Francisco. Presence and nesting of Anna"™s hummingbird Calypte anna in the Comarca Lagunera (Durango and Coahuila), México. Huitzil Revista Mexicana de Ornitologí­a, [S. l.], v. 18, n. 2, 2017. DOI: 10.28947/hrmo.2017.18.2.284. Disponível em: https://mexorn.org/index.php/huitzil/article/view/284. Acesso em: 8 nov. 2026.