Characterization: Small species measuring about 11cm in length. It has bright-green plumage with a violet-blue cap, white crissum tufts, blue rectrices, and a black beak. The female has dirty white under portions, lateral rectrices with white tips, forehead and an under side sometimes streaked in a cinnamon color.

Distribution: From Bahia and Minas Gerais to Rio Grande and Southern Mato Grosso do Sul.

Habitat: Forest, secondary forests, and gardens.

Habits: Diurnal and solitary species, very aggressive during its most active hours. It is among the very few birds that have the ability to hibernate, as do all other species of hummingbirds.

Diet: Mainly nectar, sometimes boring the flower tuft from the outside.

Breeding: During the breeding season, the male shows itself off to the female in semicircular flights; females lay 2 eggs.

In the UFRA area: In the survey campaigns carried out at the farms belonging to the São Francisco Sugarmill, this species of bird was only found in mixed forests in regeneration. Restricted spatial distribution. This species is considered rare in these farms, since it was only spotted once .