Hughes, Janice M. 2015. “Yellow-billed Cuckoo (Coccyzus americanus).” 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/yebcuc doi: 10.2173/bna.418