Big-eared opossum vs black-headed spider monkey

Didelphis aurita compared with Ateles fusciceps

Key Differences

• Big-eared opossum is Least Concern while black-headed spider monkey is Endangered.

Taxonomic Classification

Rank	Big-eared opossum	black-headed spider monkey
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Didelphimorphia (Didelphimorphia)	Primates (Primates)
Family	Didelphidae	Atelidae
Genus	Didelphis	Ateles
Species	Didelphis aurita	Ateles fusciceps

Evolutionary Relationship

Big-eared opossum and black-headed spider monkey share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Big-eared opossum

LC — Least Concern

black-headed spider monkey

EN — Endangered

Physical Characteristics

Attribute	Big-eared opossum	black-headed spider monkey
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

black-headed spider monkey

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Colombia and Ecuador. Currently classified as 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.

black-headed spider monkey

The Black-Headed Spider Monkey (Ateles fusciceps) is a species in the genus Ateles. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.