Geospiza difficilis (sharp-beaked ground 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 Geospiza
        
        Species Geospiza difficilis (sharp-beaked ground finch)
        
        Subspecies Geospiza difficilis debilirostris
        
        Subspecies Geospiza difficilis difficilis
        
        Subspecies Geospiza difficilis septentrionalis