Lowther, Peter E., Claudio Celada, Nedra K. Klein, Christopher C. Rimmer, and David A. Spector. 1999. “Yellow Warbler (Setophaga petechia).” 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/yelwar doi: 10.2173/bna.454