Brown Rat vs Kit

Rattus norvegicus compared with Hypanus americanus

Key Differences

• Brown Rat is Least Concern while Kit is Near Threatened.

Taxonomic Classification

Rank	Brown Rat	Kit
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class	Mammalia (哺乳動物)	Elasmobranchii
Order	Rodentia (啮齿目)	Myliobatiformes (鱝目)
Family	Muridae (Mice & Rats)	Dasyatidae
Genus	Rattus	Hypanus
Species	Rattus norvegicus	Hypanus americanus

Evolutionary Relationship

Brown Rat and Kit share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

Brown Rat

LC — Least Concern

Kit

NT — Near Threatened

Physical Characteristics

Attribute	Brown Rat	Kit
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).

Kit

Habitat

Native to South America, inhabiting ecosystems characteristic of the region.

Range

Found in Venezuela. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Brown Rat

褐家鼠（Rattus norvegicus）在IUCN红色名录中被列为无危（LC）。其分布广泛，种群数量稳定，无紧迫保护关切。

Shared Countries

Both species can be found in 1 countries:

🇻🇪 Venezuela