Brown Rat vs Joint-Leaf Rush

Rattus norvegicus compared with Juncus articulatus

Taxonomic Classification

Rank	Brown Rat	Joint-Leaf Rush
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Magnoliophyta (木兰植物门)
Class	Mammalia (哺乳動物)	Liliopsida (百合纲)
Order	Rodentia (啮齿目)	Poales (禾本目)
Family	Muridae (Mice & Rats)	Juncaceae
Genus	Rattus	Juncus
Species	Rattus norvegicus	Juncus articulatus

Conservation Status

Brown Rat

LC — Least Concern

Joint-Leaf Rush

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Joint-Leaf Rush
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).

Joint-Leaf Rush

Habitat

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

Range

Widely distributed across Asia (Japan), Europe (7 countries), North America (United States), and Oceania and the Pacific (Australia, New Zealand).

Brown Rat

褐家鼠（Rattus norvegicus）在IUCN红色名录中被列为无危（LC）。其分布广泛，种群数量稳定，无紧迫保护关切。

Shared Countries

Both species can be found in 11 countries:

🇦🇺 Australia 🇧🇪 Belgium 🇩🇰 Denmark 🇫🇮 Finland 🇮🇸 Iceland 🇯🇵 Japan 🇳🇿 New Zealand 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇺🇸 United States