↑Goheen, J.R. & Swihart, R.K. (2003) Food-hoarding behavior of gray squirrels and North American red squirrels in the central hardwoods region: implications for forest regeneration. Canadian Journal of Zoology, 81: 1636-1639
↑Steele, M.A., Hadj-Chikh, L.Z. & Hazeltine, J. (1996) Caching and Feeding Decisions by Sciurus carolinensis: Responses to Weevil-Infested Acorns. Journal of Mammalogy 77: 305-314