Brown Rat vs Rough-Tailed

Rattus norvegicus compared with Bathytoshia centroura

Key Differences

• Brown Rat is Least Concern while Rough-Tailed is Vulnerable.

Taxonomic Classification

Rank	Brown Rat	Rough-Tailed
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Muridae (Mice & Rats)	Dasyatidae
Genus	Rattus	Bathytoshia
Species	Rattus norvegicus	Bathytoshia centroura

Evolutionary Relationship

Brown Rat and Rough-Tailed share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Brown Rat

LC — Least Concern

Rough-Tailed

VU — Vulnerable

Physical Characteristics

Attribute	Brown Rat	Rough-Tailed
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).

Rough-Tailed

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.