Recovery: Saving a Woodpecker Through Research & Ingenuity - Cool Green Science
Red-bellied Woodpecker & Blue Jay
RED-BELLIED WOODPECKER AND THE BLUE JAY – Marilyn Armstrong – SERENDIPITY: SEEKING INTELLIGENT LIFE ON EARTH
Blue Jay Barrens: Red-headed Woodpeckers
Red-headed Woodpecker Identification, All About Birds, Cornell Lab of Ornithology
Door to Nature: The Flashy Red-headed Woodpecker - Door County Pulse
The Project Gutenberg ebook of North American Birds, Vol. 2, by Baird, Brewer and Ridgway.
RED-BELLIED WOODPECKER AND THE BLUE JAY – Marilyn Armstrong – SERENDIPITY: SEEKING INTELLIGENT LIFE ON EARTH
Blue Jay Barrens: Red-headed Woodpecker Family
The Scrub-Jay: In Defense of the Blue Squawker – Nature in Novato
Blue Jay Barrens: Woodpecker Tree
Georgian Bay Birds - Georgian Bay Land Trust
Red-Bellied Woodpecker Archives - Goldbird VariationsGoldbird Variations