Name root – Amazilia (Amazili, an Inca heroine in a French novel); beryllina after the sea green gem beryl (emeralds and aquamarine are types of beryls).
Distribution – Resident from northern portions of the Sierra Madre Occidental, from southeastern Arizona through western and central Mexico, south to Guatemala, El Salvador and Honduras.
Texas – Accidental in the Trans-Pecos region with one record from the Chisos Mountains and four records from the Davis Mountains. First fully documented individual was a bird found in Cochise Canyon of the Davis Mountains from 17 August through 4 September 1997. Subsequent records in the Davis Mountains in August 1999, 25 May to 16 July 2000 and 25-28 August 2007. First Texas record (a sight record); 18 August 1991 along the Juniper Trail near Boot Canyon, Chisos Mountains, Brewster County by John Trochet.
Habitat – Pine-oak forests and tropical deciduous forests.