| There is very little specific information about the Black-eared Oryzomys, which lives in the mountains of Mexico at low to mid-level elevations. Please see the Alfaro's Oryzomys (Oryzomys alfaroi) and Nelson's Oryzomys (Oryzomys nelsoni) accounts for information about some of the better-known Oryzomys.
Recent publications suggest that four species in the Oryzomys group are distinctly different from others and merit a new genus. Handleyomys is the genus preferred by IUCN; MSW3 and ITIS continue to use Oryzomys.
Head and Body: 86-118 mm; Tail 100-140 mm
Thomas, O., 1893. Annals and Magazine of Natural History, ser. 6, 11:404.
Mammal Species of the World