The Long-billed Starthroat (Heliomaster longirostris) is found from south Mexico to northwest Peru, Bolivia, central Brazil, and Guianas. It lives in forest canopy and edge, tall second growth, shady gardens and pastures, and coffee and banana plantations in humid places. Adults are 11 cm (4 inches) heights and 7 g weights.
Its forehead and crown are glittering metallic blue to blue-green. Rest of upperparts rather dark bronze-green. Chin blackish, and gorget dark metallic purple. Breast gray, flecked with bronze-green laterally. Bill and feet black. It visits flowers of banana and Heliconia.