Gray Mouse Opossum vs Merriam’s Pocket Mouse

Tlacuatzin canescens compared with Perognathus merriami

Taxonomic Classification

Rank	Gray Mouse Opossum	Merriam’s Pocket Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Didelphimorphia (Didelphimorphia)	Rodentia (Rodents)
Family	Didelphidae	Heteromyidae
Genus	Tlacuatzin	Perognathus
Species	Tlacuatzin canescens	Perognathus merriami

Evolutionary Relationship

Gray Mouse Opossum and Merriam’s Pocket Mouse share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Gray Mouse Opossum

LC — Least Concern

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Gray Mouse Opossum	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.