Brown Rat vs Crowded Cuplet

Rattus norvegicus compared with Merismodes fasciculata

Key Differences

• Brown Rat is Least Concern while Crowded Cuplet is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Crowded Cuplet
Kingdom	Animalia (động vật)	Fungi (nấm)
Phylum	Chordata (động vật có dây sống)	Basidiomycota (Club Fungi)
Class	Mammalia (lớp Thú)	Agaricomycetes (Mushrooms)
Order	Rodentia (Bộ Gặm nhấm)	Agaricales (Gilled Mushrooms)
Family	Muridae (Mice & Rats)	Niaceae
Genus	Rattus	Merismodes
Species	Rattus norvegicus	Merismodes fasciculata

Conservation Status

Brown Rat

LC — Least Concern

Crowded Cuplet

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Crowded Cuplet
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).

Crowded Cuplet

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Norway and United States.

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 2 countries:

🇳🇴 Norway 🇺🇸 United States