Smith, Kimberly G., Keith A. Tarvin, and Glen E. Woolfenden. 2013. “Blue Jay (Cyanocitta cristata).” 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/blujay doi: 10.2173/bna.469