Aegolius ridgwayi (unspotted saw-whet owl) | 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 Strigiformes (owls)
        
        Family Strigidae (typical owls)
        
        Genus Aegolius (saw-whet owls)
        
        Species Aegolius ridgwayi (unspotted saw-whet owl)
        
        Subspecies Aegolius ridgwayi ridgwayi
        
        Subspecies Aegolius ridgwayi rostratus
        
        Subspecies Aegolius ridgwayi tacanensis