Brandt s Hamster vs Brown Rat

Mesocricetus brandti compared with Rattus norvegicus

Key Differences

• Brandt s Hamster is Near Threatened while Brown Rat is Least Concern.

Taxonomic Classification

Rank	Brandt s Hamster	Brown 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	Cricetidae	Muridae (Mice & Rats)
Genus	Mesocricetus	Rattus
Species	Mesocricetus brandti	Rattus norvegicus

Evolutionary Relationship

Brandt s Hamster and Brown Rat share a common ancestor at the Order level: Rodentia. (ネズミ目)

Conservation Status

Brandt s Hamster

NT — Near Threatened

Brown Rat

LC — Least Concern

Physical Characteristics

Attribute	Brandt s Hamster	Brown Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Brandt s Hamster

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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).

Brandt s Hamster

The Brandt s hamster (Mesocricetus brandti) is a species in the genus Mesocricetus. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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。