Location in Oregon
Blue is Winter range - Red is Summer range
Purple is Year-round range - Yellow is Migration range

Black-backed Woodpecker

Picoides arctus - Uncommon even in its preferred habitat -- dead conifers, from which it peels back. Note barred sides and black back. In the West only Lewis' and White-headed have black back and rump. Only the male has yellow crown. Call, a sharp pik.