Brown Rat vs Stiff Brome

Rattus norvegicus compared with Brachypodium distachyon

Key Differences

• Brown Rat is Least Concern while Stiff Brome is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Stiff Brome
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Magnoliophyta (被子植物門)
Class	Mammalia (哺乳類)	Liliopsida (単子葉植物綱)
Order	Rodentia (ネズミ目)	Poales (イネ目)
Family	Muridae (Mice & Rats)	Poaceae (Grass Family)
Genus	Rattus	Brachypodium
Species	Rattus norvegicus	Brachypodium distachyon

Conservation Status

Brown Rat

LC — Least Concern

Stiff Brome

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Stiff Brome
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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).

Stiff Brome

Habitat

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

Range

Widely distributed across Africa (South Africa), Asia (Japan), Europe (10 countries), North America (Mexico, United States), Oceania and the Pacific (Australia), and South America (Chile, Colombia, Ecuador).

Brown Rat

ドブネズミ（Rattus norvegicus）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体に広く生息し個体数は安定しており、緊急の保護上の懸念はありません。

Shared Countries

Both species can be found in 18 countries:

🇦🇺 Australia 🇦🇹 Austria 🇧🇪 Belgium 🇨🇱 Chile 🇨🇴 Colombia 🇩🇰 Denmark 🇪🇨 Ecuador 🇫🇷 France 🇯🇵 Japan 🇲🇽 Mexico 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇱 Poland 🇵🇹 Portugal 🇿🇦 South Africa 🇸🇪 Sweden 🇬🇧 United Kingdom 🇺🇸 United States