Big-eared opossum vs Smith's Thorius

Didelphis aurita compared with Thorius smithi

Key Differences

• Big-eared opossum is Least Concern while Smith's Thorius is Critically Endangered.

Taxonomic Classification

Rank	Big-eared opossum	Smith's Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Didelphimorphia (Didelphimorphia)	Caudata (Caudata)
Family	Didelphidae	Plethodontidae
Genus	Didelphis	Thorius
Species	Didelphis aurita	Thorius smithi

Evolutionary Relationship

Big-eared opossum and Smith's Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared opossum

LC — Least Concern

Smith's Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Big-eared opossum	Smith's Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Smith's Thorius

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Found in Mexico. 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.