Big-eared opossum vs Cuetzalan Salamander

Didelphis aurita compared with Aquiloeurycea quetzalanensis

Key Differences

• Big-eared opossum is Least Concern while Cuetzalan Salamander is Critically Endangered.

Taxonomic Classification

Rank	Big-eared opossum	Cuetzalan Salamander
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	Aquiloeurycea
Species	Didelphis aurita	Aquiloeurycea quetzalanensis

Evolutionary Relationship

Big-eared opossum and Cuetzalan Salamander share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared opossum

LC — Least Concern

Cuetzalan Salamander

CR — Critically Endangered

Physical Characteristics

Attribute	Big-eared opossum	Cuetzalan Salamander
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Cuetzalan Salamander

Habitat

Found across multiple habitat types including tropical and subtropical coniferous forests, tropical and subtropical grasslands and savannas, and Mediterranean forests and woodlands, among 6 distinct biome types spanning the Nearctic and Neotropic realms. Populations are also found in montane and highland environments at higher elevations.

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.