Andean White-eared Opossum vs Cottontop Tamarin

Didelphis pernigra compared with Saguinus oedipus

Key Differences

• Andean White-eared Opossum is Least Concern while Cottontop Tamarin is Critically Endangered.

Taxonomic Classification

Rank	Andean White-eared Opossum	Cottontop Tamarin
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Didelphimorphia (负鼠目)	Primates (灵长目)
Family	Didelphidae	Callitrichidae
Genus	Didelphis	Saguinus
Species	Didelphis pernigra	Saguinus oedipus

Evolutionary Relationship

Andean White-eared Opossum and Cottontop Tamarin share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

Andean White-eared Opossum

LC — Least Concern

Cottontop Tamarin

CR — Critically Endangered

Physical Characteristics

Attribute	Andean White-eared Opossum	Cottontop Tamarin
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.

Cottontop Tamarin

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 5 distinct biome types spanning the Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Colombia. Currently classified as Critically Endangered 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.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia