Andean Chilomys vs Arboreal Thorius

Chilomys instans compared with Thorius arboreus

Key Differences

• Andean Chilomys is Least Concern while Arboreal Thorius is Critically Endangered.

Taxonomic Classification

Rank	Andean Chilomys	Arboreal Thorius
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Rodentia (Rodents)	Caudata (Caudata)
Family	Cricetidae	Plethodontidae
Genus	Chilomys	Thorius
Species	Chilomys instans	Thorius arboreus

Evolutionary Relationship

Andean Chilomys and Arboreal Thorius share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Andean Chilomys

LC — Least Concern

Arboreal Thorius

CR — Critically Endangered

Physical Characteristics

Attribute	Andean Chilomys	Arboreal Thorius
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andean Chilomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

Arboreal Thorius

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 Chilomys

The Andean Chilomys (Chilomys instans) is a species in the genus Chilomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Arboreal Thorius

The Arboreal Thorius (Thorius arboreus) is a species in the genus Thorius. 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.