Lesser Golden-bellied Rice Rat vs Niceforo Maria’s Oldfield Mouse

Nephelomys nimbosus compared with Thomasomys nicefori

Key Differences

• Lesser Golden-bellied Rice Rat is Vulnerable while Niceforo Maria’s Oldfield Mouse is Least Concern.

Taxonomic Classification

Rank	Lesser Golden-bellied Rice Rat	Niceforo Maria’s Oldfield Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family same	Cricetidae	Cricetidae
Genus	Nephelomys	Thomasomys
Species	Nephelomys nimbosus	Thomasomys nicefori

Evolutionary Relationship

Lesser Golden-bellied Rice Rat and Niceforo Maria’s Oldfield Mouse share a common ancestor at the Family level: Cricetidae.

Conservation Status

Lesser Golden-bellied Rice Rat

VU — Vulnerable

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Physical Characteristics

Attribute	Lesser Golden-bellied Rice Rat	Niceforo Maria’s Oldfield Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Golden-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia