Heavy-browed Mouse Opossum vs Merriam’s Pocket Mouse

Marmosa andersoni compared with Perognathus merriami

Key Differences

• Heavy-browed Mouse Opossum is Data Deficient while Merriam’s Pocket Mouse is Least Concern.

Taxonomic Classification

Rank	Heavy-browed 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	Marmosa	Perognathus
Species	Marmosa andersoni	Perognathus merriami

Evolutionary Relationship

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

Conservation Status

Heavy-browed Mouse Opossum

DD — Data Deficient

Merriam’s Pocket Mouse

LC — Least Concern

Physical Characteristics

Attribute	Heavy-browed Mouse Opossum	Merriam’s Pocket Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Heavy-browed Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.