Brown Rat vs Dun cow

Rattus norvegicus compared with Leucoraja fullonica

Key Differences

• Brown Rat is Least Concern while Dun cow is Data Deficient.

Taxonomic Classification

Rank	Brown Rat	Dun cow
Kingdom same	Animalia (प्राणी)	Animalia (प्राणी)
Phylum same	Chordata (रज्जुकी)	Chordata (रज्जुकी)
Class	Mammalia (स्तनधारी)	Elasmobranchii
Order	Rodentia (कृंतक)	Rajiformes (Rajiformes)
Family	Muridae (Mice & Rats)	Rajidae
Genus	Rattus	Leucoraja
Species	Rattus norvegicus	Leucoraja fullonica

Evolutionary Relationship

Brown Rat and Dun cow share a common ancestor at the Phylum level: Chordata. (रज्जुकी)

Conservation Status

Brown Rat

LC — Least Concern

Dun cow

DD — Data Deficient

Physical Characteristics

Attribute	Brown Rat	Dun cow
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).

Dun cow

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, and Sweden.

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:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden