G. Thome and R. . Scott, “Surrogate Parenting and Developmental Stages of Newborn Western Desert Cottontails (Sylvilagus audubonii) and a Black–tailed Jackrabbit (Lepus californicus) Nursed by a Western Desert Cottontail”, Bulletin, vol. 24, no. 2, pp. 5–13, Dec. 2006.