Andean White-eared Opossum vs Salamandra de Anderson

Didelphis pernigra compared with Ambystoma andersoni

Key Differences

• Andean White-eared Opossum is Least Concern while Salamandra de Anderson is Critically Endangered.

Taxonomic Classification

Rank	Andean White-eared Opossum	Salamandra de Anderson
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Mammalia (mamíferos)	Amphibia (Amphibians)
Order	Didelphimorphia (Didelphimorphia)	Caudata (Urodela)
Family	Didelphidae	Ambystomatidae
Genus	Didelphis	Ambystoma
Species	Didelphis pernigra	Ambystoma andersoni

Evolutionary Relationship

Andean White-eared Opossum and Salamandra de Anderson share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Andean White-eared Opossum

LC — Least Concern

Salamandra de Anderson

CR — Critically Endangered

Physical Characteristics

Attribute	Andean White-eared Opossum	Salamandra de Anderson
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andean White-eared Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Salamandra de Anderson

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.

Andean White-eared Opossum

The Andean White-eared Opossum (Didelphis pernigra) 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.

Salamandra de Anderson

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.