Big-eared opossum vs Cottontop Tamarin

Didelphis aurita compared with Saguinus oedipus

Key Differences

• Big-eared opossum is Least Concern while Cottontop Tamarin is Critically Endangered.

Taxonomic Classification

Rank	Big-eared opossum	Cottontop Tamarin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class same	Mammalia (mamíferos)	Mammalia (mamíferos)
Order	Didelphimorphia (Didelphimorphia)	Primates (primatas)
Family	Didelphidae	Callitrichidae
Genus	Didelphis	Saguinus
Species	Didelphis aurita	Saguinus oedipus

Evolutionary Relationship

Big-eared opossum and Cottontop Tamarin share a common ancestor at the Class level: Mammalia. (mamíferos)

Conservation Status

Big-eared opossum

LC — Least Concern

Cottontop Tamarin

CR — Critically Endangered

Physical Characteristics

Attribute	Big-eared opossum	Cottontop Tamarin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

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.