fulvous pygmy rice rat
Oligoryzomys fulvescens
Spanish: Rata arrocera pigmea

Oligoryzomys fulvescens, also known as the fulvous colilargo, fulvous pygmy rice rat, or northern pygmy rice rat, is a species of rodent in the genus Oligoryzomys of family Cricetidae. It is found from southern Mexico through Central America into South America, where it occurs south into Peru and Brazil, and includes numerous synonyms, including the type species of the genus, Oryzomys navus Bangs, 1899. The taxonomy of this species is unresolved, and it may be found... Most often recorded in Jan.
- 2025-01-22 — observation by vctrndr
Interactive card with more photos, sounds and similar species Mammals guide iNaturalist Wikipedia
Cite as: “fulvous pygmy rice rat (Oligoryzomys fulvescens) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/oligoryzomys-fulvescens/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.