Hejl, Sallie J., Jennifer A. Holmes, and Donald E. Kroodsma. 2002. “Winter Wren (Troglodytes hiemalis).” 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/winwre3 doi: 10.2173/bna.623