Amazilia violiceps (Gould, 1859)

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Homonyms: Amazilia violiceps (Gould, 1859)
Common names: Amazilia coronivioleta in Spanish; Ariane à couronne violette in French; Colibrì capoviola in Italian; Colibrí corona violeta in Spanish; Colibrí corona violeta in Spanish; Colibrí corona violeta in Spanish; Colibrí corona violeta in Spanish; Fioletthettekolibri in Norwegian; Veilchenscheitelamazilie in German; Veilchenstirnamazilie in German; Violet-crowned Hummingbird in English; Violet-crowned Hummingbird in English; Violet-crowned Hummingbird in English; Violet-crowned hummingbird in English; Violet-crowned hummingbird in English; Violet-crowned hummingbird in English; Violetkapamazilia in Dutch; Violetkronet Snebryst in Danish; colibrí amazília de capell violaci in Catalan–Valencian; ibolyakékvállú amazília in Hungarian; kolibrík hnedo-biely in Slovak; kolibřík fialovokorunkatý in Czech; luumulakkikolibri in Finnish; szmaragdzik fioletowy in Polish; vijolīšu kolibri in Latvian; violetavainikė žalioji amazilija in Lithuanian; violettkronad smaragd in Swedish; Фиолетовошапочная амазилия in Russian; スミレハチドリ in Japanese; 紫冠蜂鸟 in Chinese; 紫頂蜂鳥 in Chinese; Violet-crowned Hummingbird in English; fioletthettekolibri in Norwegian Bokmål

Baltosser, W.H. (1996) Nest attentiveness in hummingbirds
Banks, R. C., R. W. McDiarmid, and A. L. Gardner, 1987: Checklist of Vertebrates of the United States, the U.S. Territories, and Canada. Resource Publication, no. 166. 79.
Gill, Frank, and Minturn Wright, 2006: null. Birds of the World: Recommended English Names. ix + 259.