Attributes / relations provided by
♦ 1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
♦ 2Thomomys bottae, Cheri A. Jones and Colleen N. Baxter, MAMMALIAN SPECIES No. 742, pp. 114 (2004)