Bisam, Bisamratte vs Knollen-Zypergras

Ondatra zibethicus compared with Cyperus rotundus

Key Differences

• Bisam, Bisamratte is Not Evaluated while Knollen-Zypergras is Least Concern.

Taxonomic Classification

Rank	Bisam, Bisamratte	Knollen-Zypergras
Kingdom	Animalia (Tier)	Plantae (Pflanzen)
Phylum	Chordata (Chordatiere)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Säugetiere)	Liliopsida (Monocots)
Order	Rodentia (Nagetiere)	Poales (Süßgrasartige)
Family	Cricetidae	Cyperaceae
Genus	Ondatra	Cyperus
Species	Ondatra zibethicus	Cyperus rotundus

Conservation Status

Bisam, Bisamratte

NE — Not Evaluated

Knollen-Zypergras

LC — Least Concern

Physical Characteristics

Attribute	Bisam, Bisamratte	Knollen-Zypergras
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).

Knollen-Zypergras

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 8 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (18 countries), Asia (20 countries), Europe (11 countries), North America (12 countries), Oceania and the Pacific (14 countries), and South America (7 countries).

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 16 countries:

🇦🇹 Austria 🇧🇪 Belgium 🇧🇴 Bolivia 🇨🇱 Chile 🇨🇳 China 🇨🇿 Czech Republic 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇹 Portugal 🇸🇮 Slovenia 🇪🇸 Spain 🇨🇭 Switzerland 🇹🇯 Tajikistan 🇬🇧 United Kingdom 🇺🇸 United States