kingdom: Animalia >
phylum: Chordata >
subphylum: Vertebrata >
infraphylum: Gnathostomata >
parvphylum: Osteichthyes >
megaclass: Tetrapoda >
class: Aves >
order: Passeriformes >
family: Sittidae Lesson, 1828 >
genus: Sitta Linnaeus, 1758 >
species: Sitta frontalis Swainson, 1820 >