Bearded Salamander vs Gray Birch Mouse

Pseudoeurycea tenchalli compared with Sicista pseudonapaea

Key Differences

• Bearded Salamander is Critically Endangered while Gray Birch Mouse is Data Deficient.

Taxonomic Classification

Rank	Bearded Salamander	Gray Birch Mouse
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Rodentia (Rodents)
Family	Plethodontidae	Dipodidae
Genus	Pseudoeurycea	Sicista
Species	Pseudoeurycea tenchalli	Sicista pseudonapaea

Evolutionary Relationship

Bearded Salamander and Gray Birch Mouse share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bearded Salamander

CR — Critically Endangered

Gray Birch Mouse

DD — Data Deficient

Physical Characteristics

Attribute	Bearded Salamander	Gray Birch Mouse
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bearded 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.

Gray Birch Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Bearded Salamander

The Bearded Salamander (Pseudoeurycea tenchalli) 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