Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
   Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
     Infraclass Neoaves Sibley et al., 1988 see Subcohort Neoaves Sibley et al., 1988
       Parvclass Picae (C. Linnaeus, 1758) see Order Piciformes Meyer & Wolf, 1810
         Order Piciformes Meyer & Wolf, 1810 - scansorial birds
           Infraorder Picides see Suborder Pici Meyer & Wolf, 1810
             Family Picidae Vigors, 1825 - woodpeckers
               Genus Picoides Lacépède, 1799
                 Picoides arcticus (Swainson, 1832) - black-backed woodpecker