Bisam, Bisamratte vs Acker-Trespe

Ondatra zibethicus compared with Bromus arvensis

Key Differences

Bisam, Bisamratte is Not Evaluated while Acker-Trespe is Near Threatened.

Taxonomic Classification

Rank	Bisam, Bisamratte	Acker-Trespe
Kingdom	Animalia (Tier)	Plantae (Pflanzen)
Phylum	Chordata (Chordatiere)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Säugetiere)	Liliopsida (Monocots)
Order	Rodentia (Nagetiere)	Poales (Süßgrasartige)
Family	Cricetidae	Poaceae (Grass Family)
Genus	Ondatra	Bromus
Species	Ondatra zibethicus	Bromus arvensis

Conservation Status

Bisam, Bisamratte

NE — Not Evaluated

Acker-Trespe

NT — Near Threatened

Physical Characteristics

Attribute	Bisam, Bisamratte	Acker-Trespe
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).

Acker-Trespe

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, temperate coniferous forests, and temperate broadleaf and mixed forests, among 7 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (China, India, Japan), Europe (18 countries), and North America (Canada, Mexico, United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.