Fossa vs Polynesian rat

Cryptoprocta ferox compared with Rattus exulans

Key Differences

• Fossa is Vulnerable while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Fossa	Polynesian rat
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Carnivora (ネコ目)	Rodentia (ネズミ目)
Family	Eupleridae	Muridae (Mice & Rats)
Genus	Cryptoprocta	Rattus
Species	Cryptoprocta ferox	Rattus exulans

Evolutionary Relationship

Fossa and Polynesian rat share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Fossa

VU — Vulnerable

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Fossa	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Fossa

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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).