The Green-fronted Lancebill (Doryfera ludovicae) inhabits from Costa Rica to west Venezuela, Peru, and Bolivia. It lives in canopy, at edges, and along streams and mountains. Its size is of 11.5 cm (4 inches) in height and 5.7 g in weight.
Adults are mostly iridescent dusky-green, with forehead glittering blue-green. Crown and nape dark bronzy. Upper tail-coverts deep blue. Tail black and tipped with gray. Bill and feet black. Its flowers are of epiphytic Ericaceae and mistlotoes.