Gray-footed Spiny-rat vs Merriam’s Pocket Mouse

Proechimys poliopus compared with Perognathus merriami

Key Differences

• Gray-footed Spiny-rat is Vulnerable while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Gray-footed Spiny-rat	Merriam’s Pocket Mouse
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Rodentia (啮齿目)	Rodentia (啮齿目)
Family	Echimyidae	Heteromyidae
Genus	Proechimys	Perognathus
Species	Proechimys poliopus	Perognathus merriami

Evolutionary Relationship

Gray-footed Spiny-rat and Merriam’s Pocket Mouse share a common ancestor at the Order level: Rodentia. (啮齿目)

Conservation Status

Gray-footed Spiny-rat

VU — Vulnerable

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Gray-footed Spiny-rat	Merriam’s Pocket 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.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.