Cink, Calvin L. 2002. “Eastern Whip-poor-will (Antrostomus vociferus).” 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/whip-p1 doi: 10.2173/bna.620a