Anderson's Salamander vs Big-eared opossum

Ambystoma andersoni compared with Didelphis aurita

Key Differences

• Anderson's Salamander is Critically Endangered while Big-eared opossum is Least Concern.

Taxonomic Classification

Rank	Anderson's Salamander	Big-eared opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Didelphimorphia (Didelphimorphia)
Family	Ambystomatidae	Didelphidae
Genus	Ambystoma	Didelphis
Species	Ambystoma andersoni	Didelphis aurita

Evolutionary Relationship

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

Conservation Status

Anderson's Salamander

CR — Critically Endangered

Big-eared opossum

LC — Least Concern

Physical Characteristics

Attribute	Anderson's Salamander	Big-eared opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Anderson's 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

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Anderson's Salamander

The Anderson's Salamander (Ambystoma andersoni) is a species in the genus Ambystoma. It is currently classified as Critically Endangered on the IUCN Red List. 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 Neo.

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.