Andean White-eared Opossum vs Arrui

Didelphis pernigra compared with Ammotragus lervia

Key Differences

• Andean White-eared Opossum is Least Concern while Arrui is Vulnerable.

Taxonomic Classification

Rank	Andean White-eared Opossum	Arrui
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Didelphimorphia (Didelphimorphia)	Artiodactyla (artiodáctilos)
Family	Didelphidae	Bovidae (Bovids)
Genus	Didelphis	Ammotragus
Species	Didelphis pernigra	Ammotragus lervia

Evolutionary Relationship

Andean White-eared Opossum and Arrui share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Andean White-eared Opossum

LC — Least Concern

Arrui

VU — Vulnerable

Physical Characteristics

Attribute	Andean White-eared Opossum	Arrui
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andean White-eared Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Arrui

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Afrotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (South Africa), Europe (7 countries), and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Andean White-eared Opossum

The Andean White-eared Opossum (Didelphis pernigra) 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.

Arrui

The Aoudad (Ammotragus lervia) is a species in the genus Ammotragus. It is currently classified as Vulnerable on the IUCN Red List. Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Afrotropic and Palearctic.