Villavicencio’s Sabre-wing (Campylopterus splendens), John Gould The Campyopterus Villavicencio was first described by M. Bourcier, from a specimen obtained by him during his sojourn in Ecuador, and named in honour of a gentleman attached to the study of natural history resident in that country. This illustration has been restored to its original vibrancy by enhancing colors and removing unwanted marks. A monograph of the Trochilidæ, or family of humming-birds was published between 1849 and 1887 by English ornithologist John Gould. This monumental work depicts and describes all the known species of hummingbirds at the time - comprising 418 lithographic plates and information on 537 species."