Mexican Harvest Mouse vs Simons’s Mouse Opossum

Reithrodontomys mexicanus compared with Marmosa simonsi

Key Differences

• Mexican Harvest Mouse is Least Concern while Simons’s Mouse Opossum is Not Evaluated.

Taxonomic Classification

Rank	Mexican Harvest Mouse	Simons’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	Cricetidae	Didelphidae
Genus	Reithrodontomys	Marmosa
Species	Reithrodontomys mexicanus	Marmosa simonsi

Evolutionary Relationship

Mexican Harvest Mouse and Simons’s Mouse Opossum share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Mexican Harvest Mouse

LC — Least Concern

Simons’s Mouse Opossum

NE — Not Evaluated

Physical Characteristics

Attribute	Mexican Harvest Mouse	Simons’s Mouse Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mexican Harvest Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Simons’s Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.