kingdom: Animalia >
phylum: Chordata >
subphylum: Vertebrata >
infraphylum: Gnathostomata >
parvphylum: Osteichthyes >
megaclass: Tetrapoda >
class: Aves >
order: Apodiformes >
family: Trochilidae >
subfamily: Trochilinae >
genus: Heliothryx F. Boie, 1831 >
species: Heliothryx auritus (J. F. Gmelin, 1788) >
South America