The Hairy Woodpecker (Scientific name - Picoides villosus) is very similar in appearance to the Downy Woodpecker. It is however larger and has a longer bill. The head is square and it has long tail feathers. The breast is white and the back is black and checkered white. The Hairy has two white stripes on the head and males have a red patch at the back of the head.
They can be found throughout North America. These photos taken April 2014 (back view) and April 2016 at the Great Blue Heron Nature Reserve in Chilliwack, British Columbia.