Bisamratte vs Lesser Red-knotgrass

Ondatra zibethicus compared with Polygonum arenarium

Taxonomic Classification

Rank	Bisamratte	Lesser Red-knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Caryophyllales (Caryophyllales)
Family	Cricetidae	Polygonaceae
Genus	Ondatra	Polygonum
Species	Ondatra zibethicus	Polygonum arenarium

Conservation Status

Bisamratte

NE — Not Evaluated

Lesser Red-knotgrass

NE — Not Evaluated

Physical Characteristics

Attribute	Bisamratte	Lesser Red-knotgrass
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Lesser Red-knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Found across Europe (11 countries) and North America (United States).

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 12 countries:

🇦🇹 Austria 🇧🇾 Belarus 🇧🇪 Belgium 🇧🇬 Bulgaria 🇩🇰 Denmark 🇫🇷 France 🇳🇱 Netherlands 🇵🇱 Poland 🇷🇺 Russia 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States