A monograph of the Trochilid, or family of humming-birds /.London :Printed by Taylor and Francis ;1861 [i.e. 1849-1861].biodiversitylibrary.org/page/35246493
Purple-bibbed Whitetip (Urosticte benjamini). Female. Tandayapa Lodge, Tandayapa Valley, western Andes, Ecuador. (Note this was previously mis-identified as a Green-crowned Brilliant - another of my not-so-Brilliant mistakes!! - Thanks again rasmus_boegh for pointing this out)
Summary[edit] Description: Taken at Tandayapa Bird Lodge in Ecuador. Date: 20 September 2015, 21:22. Source: Purple-bibbed Whitetip. Author: Andy Morffew from Itchen Abbas, Hampshire, UK.
Description: Purple-bibbed Whitetip (Urosticte benjamini). A male at Tandayapa Bird Lodge, NW Ecuador 3/11/2007. Date: 11 March 2007, 09:49. Source: Purple-bibbed Whitetip. Author: Michael Woodruff from Spokane, Washington, USA.