Phrygilus unicolor (plumbeous sierra finch) | 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 Passeriformes (perching birds)
        
        Passerida
        
        Muscicapoidea (thrushes, sparrows, and relatives)
        
        Passeroidea (sparrows and relatives)
        
        Family Emberizidae (buntings, American sparrows, and relatives)
        
        Genus Phrygilus
        
        Species Phrygilus unicolor (plumbeous sierra finch)
        
        Subspecies Phrygilus unicolor cyaneus
        
        Subspecies Phrygilus unicolor geospizopsis
        
        Subspecies Phrygilus unicolor inca
        
        Subspecies Phrygilus unicolor nivarius
        
        Subspecies Phrygilus unicolor tucumanus
        
        Subspecies Phrygilus unicolor ultimus
        
        Subspecies Phrygilus unicolor unicolor