Keywords: HeliotrypaKeulemans.jpg 1 above Heliotrypa speciosa <small>Salv </small> hybrid Heliangelus amethysticollis <small> d'Orbigny Lafresnaye 1838 </small> × Eriocnemis cupreoventris <small> Fraser 1840 </small><br/> 2 below Heliotrypa barzali sic <small>Muls Verr </small> hybrid Heliangelus amethysticollis <small> d'Orbigny Lafresnaye 1838 </small> × Eriocnemis cupreoventris <small> Fraser 1840 </small> en Green-throated Sunangel Amethyst-throated Sunangel × Coppery-bellied Puffleg above Olive-throated Sunangel Amethyst-throated Sunangel × Coppery-bellied Puffleg below Catalogue of the birds in the British Museum http //www archive org/details/catalogueofbirds16brit Vol 16 Plate VI 1892 creator John Gerrard Keulemans Osbert Salvin Ernst Hartert text PD-old-100 Catalogue of the Birds in the British Museum John Gerrard Keulemans Hummingbirds in art Hybrid Trochilidae |