Ghalambor, Cameron K., and Thomas E. Martin. 1999. “Red-breasted Nuthatch (Sitta canadensis).” 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/rebnut doi: 10.2173/bna.459