Martin, John W., and Jimmie R. Parrish. 2000. “Lark Sparrow (Chondestes grammacus).” 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/larspa doi: 10.2173/bna.488