Corrugated Salamander vs Japanese Squirrel

Isthmura corrugata compared with Sciurus lis

Key Differences

• Corrugated Salamander is Critically Endangered while Japanese Squirrel is Least Concern.

Taxonomic Classification

Rank	Corrugated Salamander	Japanese Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Rodentia (Rodents)
Family	Plethodontidae	Sciuridae (Squirrels)
Genus	Isthmura	Sciurus (Tree Squirrels)
Species	Isthmura corrugata	Sciurus lis

Evolutionary Relationship

Corrugated Salamander and Japanese Squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Corrugated Salamander

CR — Critically Endangered

Japanese Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Corrugated Salamander	Japanese Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Corrugated 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.

Japanese Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom.