Male acorn woodpeckers have white going into red females have white going into red but there is some black in the middle. Acorn woodpeckers make granary trees and make a bunch of holes in it and they stuff acorns in the holes those acorns/nuts are their food for the winter. Acorn woodpeckers are very colorful they have yellow, black, white, and red. They are very protective of their acorns/nuts. Here is a video of a male acorn woodpecker protecting its acorns/nuts https://www.youtube.com/watch?v=YMZlS0z2mJ0&feature=emb_title. When a woodpecker is hitting wood with its beak it could knock a person out. Pale billed woodpeckers live in wet forests and woodlands. Ivory-billed woodpeckers are thought to be extinct, but they might have a community in a place no one has explored. Pileated woodpeckers almost look exactly like Ivory-billed woodpeckers. Look at this picture.
Look closely at the difference between the ivory-billed woodpecker (bottom) and the pileated woodpecker (top)