Abundance: 0.01 to 100.00% (median 2.96%)

Latitudinal range: -31.5° to 38.9°

Habitats: (12), desert/xeric shrubland (7), temperate broadleaf/mixed forest (1), temperate coniferous forest (1), temperate savanna (1), temperate wetland (3), tropical/subtropical dry broadleaf forest (12), tropical/subtropical moist broadleaf forest (3)

Found in 40 samples

Belize: Cockscomb Basin Forest Reserve (old field), Cockscomb Basin Forest Reserve (dry, open woodland)

Brazil: Fazenda Montes Claros (primary), Fazenda Montes Claros (secondary), Abismo Iguatemi (Late Pleistocene)

Chile: Las Chinchillas Natural Reserve (equatorial-facing slopes, spring 1987), Colonia Alfalfares (25 May), Asentamiento Ceres (1 June), Asentamiento Ceres (2 June, 7:00 hours), Asentamiento Ceres (2 June, 23:00 hours), Asentamiento Ceres (3 June)

Colombia: San Marcos (rural)

Ecuador: La Chimba (Holocene)

Mexico: Hobonil, Misantla (small mammals, dry season), Las Joyas Scientific Station (cloud forest), Las Joyas Scientific Station (disturbed area), Chamela Biological Station, Cuauhtémoc, Playa de Oro, Carrizal Viejo (Sherman traps), Cueva de Abra (Late Pleistocene)

Peru: Reserva Cuzco Amazónico (1989 snap traps), Reserva Cuzco Amazónico (1990 snap traps)

United States: Bob White Memorial Wetlands Research and Teaching Station, Park Ranger Station No. 1, Croatan National Forest (open canopy pine plantation), Rockefeller State Wildlife Refuge and Game Preserve, Memphis, Kemper County, Ardis (Late Pleistocene), Saber-tooth Cave (Late Pleistocene), Golf Course (Late Pleistocene), Croley-Evans (Holocene), Watson Brake (3.2 mm fraction) (Holocene), Scovill (Holocene), Taylor Bayou (north bank) (Late Pleistocene), Meyer Cave (Holocene), Schulze Cave (layer C1) (Late Pleistocene)

Venezuela: Parque Nacional Guatopo

See also Oryzomys alfaroi, Oryzomys angouya, Oryzomys capito, Oryzomys chapmani, Oryzomys couesi, Oryzomys longicaudatus, Oryzomys melanotis, Oryzomys nigripes, Oryzomys palustris, Oryzomys sp.