Bisam, Bisamratte vs Polynesian rat

Ondatra zibethicus compared with Rattus exulans

Key Differences

• Bisam, Bisamratte is Not Evaluated while Polynesian rat is Least Concern.

Taxonomic Classification

Rank	Bisam, Bisamratte	Polynesian rat
Kingdom same	Animalia (Tier)	Animalia (Tier)
Phylum same	Chordata (Chordatiere)	Chordata (Chordatiere)
Class same	Mammalia (Säugetiere)	Mammalia (Säugetiere)
Order same	Rodentia (Nagetiere)	Rodentia (Nagetiere)
Family	Cricetidae	Muridae (Mice & Rats)
Genus	Ondatra	Rattus
Species	Ondatra zibethicus	Rattus exulans

Evolutionary Relationship

Bisam, Bisamratte and Polynesian rat share a common ancestor at the Order level: Rodentia. (Nagetiere)

Conservation Status

Bisam, Bisamratte

NE — Not Evaluated

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Bisam, Bisamratte	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Bisam, Bisamratte

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (8 countries), Europe (37 countries), North America (United States), and South America (Argentina, Bolivia, Chile).

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).

Bisam, Bisamratte

The Bisamratte (Ondatra zibethicus) is a species in the genus Ondatra. Typically found in diverse terrestrial and aquatic ecosystems.

Shared Countries

Both species can be found in 4 countries:

🇨🇱 Chile 🇯🇵 Japan 🇬🇧 United Kingdom 🇺🇸 United States