Brown Rat vs Smearwort

Rattus norvegicus compared with Aristolochia rotunda

Key Differences

• Brown Rat is Least Concern while Smearwort is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Smearwort
Kingdom	Animalia (สัตว์)	Plantae (พืช)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Magnoliophyta (Flowering Plants)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Magnoliopsida (พืชใบเลี้ยงคู่)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Piperales (อันดับพริกไทย)
Family	Muridae (Mice & Rats)	Aristolochiaceae
Genus	Rattus	Aristolochia
Species	Rattus norvegicus	Aristolochia rotunda

Conservation Status

Brown Rat

LC — Least Concern

Smearwort

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Smearwort
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).

Smearwort

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom.

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:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇬🇧 United Kingdom