A woodpecker is a type of bird that is known for its ability to peck at wood. There are four species of woodpecker that can be found in North America: the Yaffle, SAPSUCKER, FLICKER, and Chab. The Yaffle is a small, black and white woodpecker with a yellow bill. The SAPSUCKER is a medium-sized woodpecker with a red head and black and white wings. The FLICKER is a large, brown woodpecker with a red patch on its neck. Finally, the Chab is a small, black and white woodpecker with a red cap.