. "Animalia" . . . . . . . . . "Picoides" . "Picidae" . . . "(Swainson 1832)" . . "Piciformes" . . . "Picoides arcticus" . "Chordata" . . . . "Picoides arcticus (Swainson 1832)" . . . "Black-backed Woodpecker" . "Aves" .