Merriam’s Pocket Mouse vs One-striped opossum

Perognathus merriami compared with Monodelphis unistriata

Key Differences

• Merriam’s Pocket Mouse is Least Concern while One-striped opossum is Critically Endangered.

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	One-striped opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Didelphimorphia (Didelphimorphia)
Family	Heteromyidae	Didelphidae
Genus	Perognathus	Monodelphis
Species	Perognathus merriami	Monodelphis unistriata

Evolutionary Relationship

Merriam’s Pocket Mouse and One-striped opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

One-striped opossum

CR — Critically Endangered

Physical Characteristics

Attribute	Merriam’s Pocket Mouse	One-striped opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

One-striped opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.