Gray-footed Spiny-rat vs Niceforo Maria’s Oldfield Mouse

Proechimys poliopus compared with Thomasomys nicefori

Key Differences

• Gray-footed Spiny-rat is Vulnerable while Niceforo Maria’s Oldfield Mouse is Least Concern.

Taxonomic Classification

Rank	Gray-footed Spiny-rat	Niceforo Maria’s Oldfield Mouse
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Rodentia (Nagetiere)	Rodentia (Nagetiere)
Family	Echimyidae	Cricetidae
Genus	Proechimys	Thomasomys
Species	Proechimys poliopus	Thomasomys nicefori

Evolutionary Relationship

Gray-footed Spiny-rat and Niceforo Maria’s Oldfield Mouse share a common ancestor at the Order level: Rodentia. (Nagetiere)

Conservation Status

Gray-footed Spiny-rat

VU — Vulnerable

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Physical Characteristics

Attribute	Gray-footed Spiny-rat	Niceforo Maria’s Oldfield Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. 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.