Opossum de Derby vs Gray-footed Spiny-rat

Caluromys derbianus compared with Proechimys poliopus

Key Differences

• Opossum de Derby is Least Concern while Gray-footed Spiny-rat is Vulnerable.

Taxonomic Classification

Rank	Opossum de Derby	Gray-footed Spiny-rat
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (mammifères)	Mammalia (mammifères)
Order	Didelphimorphia (Didelphimorphia)	Rodentia (Rodents)
Family	Didelphidae	Echimyidae
Genus	Caluromys	Proechimys
Species	Caluromys derbianus	Proechimys poliopus

Evolutionary Relationship

Opossum de Derby and Gray-footed Spiny-rat share a common ancestor at the Class level: Mammalia. (mammifères)

Conservation Status

Opossum de Derby

LC — Least Concern

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

Attribute	Opossum de Derby	Gray-footed Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Opossum de Derby

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Gray-footed Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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