Attributes / relations provided by
♦ ¹Thomomys townsendii, B. J. Verts and Leslie N. Carraway, MAMMALIAN SPECIES No. 719, pp. 1–6 (2003)
♦ ²PREY REMAINS OF THE JAMAICAN OWL (PSEUDOSCOPS GRAMMICUS), GARY R. GRAVES, J. Carib. Ornithol. 20:53-55, 2007
♦ ³Contribution to the study of the diet of four owl species (Aves, Strigiformes) from mainland and island areas of Greece, Haralambos Alivizatos, Vassilis Goutner and Stamatis Zogaris, Belg. J. Zool., 135 (2) : 109-118