Circus cyaneus (northern harrier) | 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 Falconiformes (diurnal birds of prey)
        
        Family Accipitridae (eagles, hawks, and kites)
        
        Subfamily Accipitrinae (hawks, eagles, buzzards, vultures, and relatives)
        
        Genus Circus (harriers)
        
        Species Circus cyaneus (northern harrier)
        
        Subspecies Circus cyaneus cyaneus
        
        Subspecies Circus cyaneus hudsonius