Central Andes Oldfield Mouse vs Polynesian rat

Thomasomys contradictus compared with Rattus exulans

Key Differences

• Central Andes Oldfield Mouse is Data Deficient while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Cricetidae	Muridae (Mice & Rats)
Genus	Thomasomys	Rattus
Species	Thomasomys contradictus	Rattus exulans

Evolutionary Relationship

Central Andes Oldfield Mouse and Polynesian rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Central Andes Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).

Central Andes Oldfield Mouse

The Central Andes Oldfield Mouse (Thomasomys contradictus) is a species in the genus Thomasomys. It is currently classified as Data Deficient on the IUCN Red List. Found in Colombia.