Big-eared opossum vs Gray-footed Spiny-rat

Didelphis aurita compared with Proechimys poliopus

Key Differences

• Big-eared opossum is Least Concern while Gray-footed Spiny-rat is Vulnerable.

Taxonomic Classification

Rank	Big-eared opossum	Gray-footed Spiny-rat
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Didelphimorphia (Didelphimorphia)	Rodentia (ネズミ目)
Family	Didelphidae	Echimyidae
Genus	Didelphis	Proechimys
Species	Didelphis aurita	Proechimys poliopus

Evolutionary Relationship

Big-eared opossum and Gray-footed Spiny-rat share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Big-eared opossum

LC — Least Concern

Gray-footed Spiny-rat

VU — Vulnerable

Physical Characteristics

Attribute	Big-eared opossum	Gray-footed Spiny-rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Big-eared opossum

The Big-eared opossum (Didelphis aurita) is a species in the genus Didelphis. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.