Bull, Evelyn L., and Jerome A. Jackson. 2011. “Pileated Woodpecker (Dryocopus pileatus).” The Birds of North America, edited by Paul G. Rodewald. Ithaca: Cornell Lab of Ornithology. Retrieved from the Birds of North America: https://birdsna.org/Species-Account/bna/species/pilwoo doi: 10.2173/bna.148