Arboreal Thorius vs Fulvous Colilargo

Thorius arboreus compared with Oligoryzomys fulvescens

Key Differences

• Arboreal Thorius is Critically Endangered while Fulvous Colilargo is Least Concern.

Taxonomic Classification

Rank	Arboreal Thorius	Fulvous Colilargo
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	Thorius	Oligoryzomys
Species	Thorius arboreus	Oligoryzomys fulvescens

Evolutionary Relationship

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

Conservation Status

Arboreal Thorius

CR — Critically Endangered

Fulvous Colilargo

LC — Least Concern

Physical Characteristics

Attribute	Arboreal Thorius	Fulvous Colilargo
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Fulvous Colilargo

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela.

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.