Chordeiles pusillus (least nighthawk) | CLASSIFICATION

Kingdom Animalia (animals)
- Eumetazoa (metazoans)
  - Bilateria (bilaterally symmetrical animals)
    - Deuterostomia (deuterostomes)
      - Phylum Chordata (chordates)
        
        Craniata (craniates)
        
        Subphylum Vertebrata (vertebrates)
        
        Superclass Gnathostomata (jawed vertebrates)
        
        Euteleostomi (bony vertebrates)
        
        Class Sarcopterygii (lobe-finned fishes and terrestrial vertebrates)
        
        Tetrapoda (tetrapods)
        
        Amniota (amniotes)
        
        Class Reptilia (turtles, snakes, lizards, and relatives)
        
        Class Aves (birds)
        
        Subclass Neognathae (neognath birds)
        
        Infraclass Neoaves (modern birds)
        
        Order Caprimulgiformes (nightbirds)
        
        Family Caprimulgidae (nightjars, nighthawks, and relatives)
        
        Genus Chordeiles (nighthawks)
        
        Species Chordeiles pusillus (least nighthawk)
        
        Subspecies Chordeiles pusillus esmeraldae
        
        Subspecies Chordeiles pusillus novaesi
        
        Subspecies Chordeiles pusillus pusillus
        
        Subspecies Chordeiles pusillus saturatus
        
        Subspecies Chordeiles pusillus septentrionalis
        
        Subspecies Chordeiles pusillus xerophilus