Guajira Mouse Opossum vs Napo Spiny-rat

Marmosa xerophila compared with Proechimys quadruplicatus

Key Differences

• Guajira Mouse Opossum is Vulnerable while Napo Spiny-rat is Least Concern.

Taxonomic Classification

Rank	Guajira Mouse Opossum	Napo Spiny-rat
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	Echimyidae
Genus	Marmosa	Proechimys
Species	Marmosa xerophila	Proechimys quadruplicatus

Evolutionary Relationship

Guajira Mouse Opossum and Napo Spiny-rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Guajira Mouse Opossum

VU — Vulnerable

Napo Spiny-rat

LC — Least Concern

Physical Characteristics

Attribute	Guajira Mouse Opossum	Napo Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guajira Mouse Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Napo Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Shared Countries

Both species can be found in 2 countries:

🇨🇴 Colombia 🇻🇪 Venezuela