Bannor, Brett K., and Erik Kiviat. 2002. “Common Gallinule (Gallinula galeata).” 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/comgal1 doi: 10.2173/bna.685