Ni Jiashu vs Polynesian rat

Rattus pyctoris compared with Rattus exulans

Taxonomic Classification

Rank	Ni Jiashu	Polynesian rat
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Rodentia (啮齿目)	Rodentia (啮齿目)
Family same	Muridae (Mice & Rats)	Muridae (Mice & Rats)
Genus same	Rattus	Rattus
Species	Rattus pyctoris	Rattus exulans

Evolutionary Relationship

Ni Jiashu and Polynesian rat share a common ancestor at the Genus level: Rattus.

Conservation Status

Ni Jiashu

LC — Least Concern

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Ni Jiashu	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ni Jiashu

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).