The Black-crested Coquette (Lophornis helenae) is found from south Mexico to Costa Rica. It lives high in forest canopy, coming lower, and sometimes to shrub level, at edges, gaps, semi-open, and brushy hedgerows. Adults are 7 cm (2 inches) heights and 2.8 g weights.
Crown and gorget glittering green, and lower throat black. Above is bronzy-green, and its lower rump is blackish. Breast-band bronzy, and belly white spotted with bronze. Bill red with black tip, and feet blackish. Visits mostly small, typically insect-pollinated flowers on mass-flowering trees and epiphytes.