Brown Rat vs Hairy-tailed Tree Rat

Rattus norvegicus compared with Brachytarsomys villosa

Key Differences

• Brown Rat is Least Concern while Hairy-tailed Tree Rat is Vulnerable.

Taxonomic Classification

Rank	Brown Rat	Hairy-tailed Tree Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Muridae (Mice & Rats)	Nesomyidae
Genus	Rattus	Brachytarsomys
Species	Rattus norvegicus	Brachytarsomys villosa

Evolutionary Relationship

Brown Rat and Hairy-tailed Tree Rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Brown Rat

LC — Least Concern

Hairy-tailed Tree Rat

VU — Vulnerable

Physical Characteristics

Attribute	Brown Rat	Hairy-tailed Tree 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).

Hairy-tailed Tree Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.