Merriam’s Pocket Mouse vs Zeledon’s Mouse Opossum

Perognathus merriami compared with Marmosa zeledoni

Taxonomic Classification

Rank	Merriam’s Pocket Mouse	Zeledon’s Mouse 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	Marmosa
Species	Perognathus merriami	Marmosa zeledoni

Evolutionary Relationship

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

Conservation Status

Merriam’s Pocket Mouse

LC — Least Concern

Zeledon’s Mouse Opossum

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Merriam’s Pocket Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Zeledon’s Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.