Sterna anaethetus (bridled tern) | 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 Charadriiformes (shorebirds and relatives)
        
        Family Laridae (gulls, terns, and skimmers)
        
        Subfamily Sterninae (terns and noddys)
        
        Genus Sterna (typical terns)
        
        Species Sterna anaethetus (bridled tern)
        
        Subspecies Sterna anaethetus anaethetus
        
        Subspecies Sterna anaethetus antarctica
        
        Subspecies Sterna anaethetus melanoptera
        
        Subspecies Sterna anaethetus nelsoni