kingdom: Animalia >
phylum: Chordata >
subphylum: Vertebrata >
infraphylum: Gnathostomata >
parvphylum: Osteichthyes >
megaclass: Tetrapoda >
class: Aves >
order: Apodiformes >
family: Trochilidae >
subfamily: Trochilinae >
genus: Ocreatus Gould, 1846 >
species: Ocreatus underwoodii (R. Lesson, 1832) >
South America