A monograph of the Trochilidæ, or family of humming-birds /.
London :Printed by Taylor and Francis ;1861 [i.e. 1849-1861].
biodiversitylibrary.org/page/34842895
Description: English: Wedge-tailed Hillstar (Oreotrochilus adela), Yavi to St Victoria to Yavi, Argentina Svenska: Kastanjebröstad bergstjärna (Oreotrochilus adela), Yavi-St Victoria-Yavi, Argentina. Date: 27 October 2008. Source: https://www.flickr.com/photos/sussexbirder/8077609629/. Author: Ron Knight.