Guinea pig vs Polynesian rat

Cavia porcellus compared with Rattus exulans

Taxonomic Classification

Rank	Guinea pig	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	Caviidae	Muridae (Mice & Rats)
Genus	Cavia	Rattus
Species	Cavia porcellus	Rattus exulans

Evolutionary Relationship

Guinea pig and Polynesian rat share a common ancestor at the Order level: Rodentia. (Rodents)

View Order: Rodentia

Conservation Status

Guinea pig

LC — Least Concern

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Guinea pig	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Guinea pig

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Europe (6 countries), North America (Cuba), Oceania and the Pacific (Australia), and South America (Colombia, Ecuador).

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).