the root (no rank)
Eukaryota (domain)
Metazoa (kingdom)
Chordata (phylum)
Craniata (subphylum)
Vertebrata (no rank)
Gnathostomata (superclass)
Sarcopterygii (class)
Tetrapoda (no rank)
Amniota (no rank)
Sauropsida (no rank)
Sauria (no rank)
Archosauria (no rank)
Aves (class)
Neognathae (superorder)
Apodiformes (order)
Apodidae (family)
swifts (common name)
[hide inferior taxa]
Aerodramus (genus)
Apus (genus)
Chaetura (genus)
Collocalia (genus)
Cypseloides niger (species)
Cypsiurus balasiensis (species)
Hydrochous gigas (species)