Baltz, Michael E., and Steven C. Latta. 1998. “Cape May Warbler (Setophaga tigrina).” 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/camwar doi: 10.2173/bna.332