Altai wildrye vs Brown Rat

Leymus angustus compared with Rattus norvegicus

Key Differences

• Altai wildrye is Not Evaluated while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Altai wildrye	Brown Rat
Kingdom	Plantae (Plants)	Animalia (Animals)
Phylum	Magnoliophyta (Flowering Plants)	Chordata (Chordates)
Class	Liliopsida (Monocots)	Mammalia (Mammals)
Order	Poales (Grasses)	Rodentia (Rodents)
Family	Poaceae (Grass Family)	Muridae (Mice & Rats)
Genus	Leymus	Rattus
Species	Leymus angustus	Rattus norvegicus

Conservation Status

Altai wildrye

NE — Not Evaluated

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Altai wildrye	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Altai wildrye

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Distributed across Canada, Norway, and United States.

Brown Rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 10 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (11 countries), Asia (15 countries), Europe (41 countries), North America (16 countries), Oceania and the Pacific (10 countries), and South America (10 countries).

Altai wildrye

The Altai wildrye (Leymus angustus) is a species in the genus Leymus. Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Brown Rat

Brown Rat (Rattus norvegicus) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇨🇦 Canada 🇳🇴 Norway 🇺🇸 United States