Brown Rat vs Semar

Rattus norvegicus compared with Juncus acutus

Taxonomic Classification

Rank	Brown Rat	Semar
Kingdom	Animalia (حيوانات)	Plantae (نباتات)
Phylum	Chordata (حبليات)	Magnoliophyta (كاسيات البذور)
Class	Mammalia (ثدييات)	Liliopsida (زنبقانية)
Order	Rodentia (قوارض)	Poales (قبئيات)
Family	Muridae (Mice & Rats)	Juncaceae
Genus	Rattus	Juncus
Species	Rattus norvegicus	Juncus acutus

Conservation Status

Brown Rat

LC — Least Concern

Semar

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Semar
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).

Semar

Habitat

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

Range

Distributed across Australia, Brazil, New Zealand, and Portugal.

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 4 countries:

🇦🇺 Australia 🇧🇷 Brazil 🇳🇿 New Zealand 🇵🇹 Portugal