(EN) Robert Ridgway, Genus Atthis, in The birds of North and Middle America, Bulletin of the United States National Museum, NÂș 50, parte V, Washington, Government Printing Office, 1911, pp. 591-595. URL consultato l'8 maggio 2019. Ospitato su BHL - Biodiversity Heritage Library.
(EN) F. Gill e D. Donsker (a cura di), Family Trochilidae, in IOC World Bird Names (ver 9.2), International Ornithologistsâ Union, 2019. URL consultato l'8 maggio 2019.