Bearded Salamander vs Darwin s Nesoryzomys

Pseudoeurycea tenchalli compared with Nesoryzomys darwini

Key Differences

• Bearded Salamander is Critically Endangered while Darwin s Nesoryzomys is Extinct.

Taxonomic Classification

Rank	Bearded Salamander	Darwin s Nesoryzomys
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Rodentia (Rodents)
Family	Plethodontidae	Cricetidae
Genus	Pseudoeurycea	Nesoryzomys
Species	Pseudoeurycea tenchalli	Nesoryzomys darwini

Evolutionary Relationship

Bearded Salamander and Darwin s Nesoryzomys share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Bearded Salamander

CR — Critically Endangered

Darwin s Nesoryzomys

EX — Extinct

Physical Characteristics

Attribute	Bearded Salamander	Darwin s Nesoryzomys
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.

Darwin s Nesoryzomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

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