Symphony of Horizon Logo
Long-nosed Oryzomys

Long-nosed Oryzomys

El Salvador, Nicaragua, Guatemala, Honduras, Mexico
Status
Unknown

IUCN conservation assessment category

Habitat
Forest

Primary ecological niche & biome

Diet
seeds, herbaceous plants, wild berries, and soft bark

Dietary type and primary food source

Activity
crepuscular

Diurnal, nocturnal, or active patterns

Scientific Summary

GBIF Taxonomic Backbone & Wikipedia Registry Profile

COMMENTS: Considered a subspecies of O. melanotis (Hall, 1981; Hooper, 1953). Engstrom (1984) effectively argued the specific distinctiveness of O. rostratus (also see account of O. melanotis). Distributional records in Nicaragua reviewed, as O. melanotis megadon, by Jones and Engstrom (1986). Homogeneity of populations assigned to O. rostratus warrants additional study.
Biology & Conservation

Ecologically, the conservation status of Long-nosed Oryzomys is officially designated as Unknown. Current field registries estimate a global population composed of an unquantified number of individuals, making habitat preservation critical to maintaining their wild populations.

It is typically endemic to forest, showing great physiological synergy with its surroundings. In terms of dietary preferences, it relies primarily on a diet of seeds, herbaceous plants, wild berries, and soft bark. It exhibits specialized adaptations centered around a crepuscular activity pattern, optimizing its energy conservation and interactions within its native ecosystem. The species has a typical natural lifespan of approximately 3 years, allowing it to adapt and mature through structured generational cycles.

Ongoing biological monitoring and ecological advocacy emphasize the importance of protecting this species. The stability of its food chain and the prevention of fragmentation in its primary range are vital for the continued survival of Long-nosed Oryzomys.

Energy & Activity Profile
Habitat & Adaptation Index
Quick Facts
Native RangeEl Salvador, Nicaragua, Guatemala, Honduras, Mexico
Habitat RangeForest
Lifespan3 Yrs
StatusUnknown
ScientificOryzomys rostratus
Registry Info
Lifespan3 years
KingdomAnimalia
FamilyCricetidae