Festive Coquette

The festive coquette (Lophornis chalybeus) is a species of hummingbird in the "coquettes", tribe Lesbiini of subfamily Lesbiinae. It is endemic to Brazil. == Taxonomy and systematics == The festive coquette and what are now the butterfly coquette (L. verreauxii) and peacock coquette (L. pavoninus) were for a time placed in genus Polemistria that was soon merged into the current Lophornis. The butterfly coquette was treated as conspecific with the festive coquette but was split as its own species in 2019. The festive coquette is monotypic. == Description == The festive coquette is 7.5 to 9.1 cm (3.0 to 3.6 in) long; adults weigh about 3 g (0.11 oz). Both sexes have a short, straight, black bill. Their upperparts are bronzy green with a pale band across the rump, their lower rump and undertail coverts are purplish bronze, and their tail is purplish copper with pale tips on the outer feathers. Adult males have an iridescent green forehead with a band of stiff black feathers around it. They have green cheek tufts tipped with white and a ruff around the bill and chin that is glittering green with white tips. Their breast is whitish streaked with black and the belly…