Brown Rat vs Lesser Golden-bellied Rice Rat

Rattus norvegicus compared with Nephelomys nimbosus

Key Differences

• Brown Rat is Least Concern while Lesser Golden-bellied Rice Rat is Vulnerable.

Taxonomic Classification

Rank	Brown Rat	Lesser Golden-bellied Rice Rat
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order same	Rodentia (ネズミ目)	Rodentia (ネズミ目)
Family	Muridae (Mice & Rats)	Cricetidae
Genus	Rattus	Nephelomys
Species	Rattus norvegicus	Nephelomys nimbosus

Evolutionary Relationship

Brown Rat and Lesser Golden-bellied Rice Rat share a common ancestor at the Order level: Rodentia. (ネズミ目)

Conservation Status

Brown Rat

LC — Least Concern

Lesser Golden-bellied Rice Rat

VU — Vulnerable

Physical Characteristics

Attribute	Brown Rat	Lesser Golden-bellied Rice Rat
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).

Lesser Golden-bellied Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador