Adler’s Mountain Salamander vs Northern Gracile Opossum

Pseudoeurycea kuautli compared with Gracilinanus marica

Key Differences

• Adler’s Mountain Salamander is Critically Endangered while Northern Gracile Opossum is Least Concern.

Taxonomic Classification

Rank	Adler’s Mountain Salamander	Northern Gracile Opossum
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (cordados)	Chordata (cordados)
Class	Amphibia (Amphibians)	Mammalia (mamíferos)
Order	Caudata (Urodela)	Didelphimorphia (Didelphimorphia)
Family	Plethodontidae	Didelphidae
Genus	Pseudoeurycea	Gracilinanus
Species	Pseudoeurycea kuautli	Gracilinanus marica

Evolutionary Relationship

Adler’s Mountain Salamander and Northern Gracile Opossum share a common ancestor at the Phylum level: Chordata. (cordados)

Conservation Status

Adler’s Mountain Salamander

CR — Critically Endangered

Northern Gracile Opossum

LC — Least Concern

Physical Characteristics

Attribute	Adler’s Mountain Salamander	Northern Gracile Opossum
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Adler’s Mountain 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.

Northern Gracile Opossum

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Venezuela.

Adler’s Mountain Salamander

The Adler’s Mountain Salamander (Pseudoeurycea kuautli) is a species in the genus Pseudoeurycea. 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.