Brown Rat vs Northern Smooth-Tailed Treeshrew

Rattus norvegicus compared with Dendrogale murina

Taxonomic Classification

Rank	Brown Rat	Northern Smooth-Tailed Treeshrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Scandentia (Scandentia)
Family	Muridae (Mice & Rats)	Tupaiidae
Genus	Rattus	Dendrogale
Species	Rattus norvegicus	Dendrogale murina

Evolutionary Relationship

Brown Rat and Northern Smooth-Tailed Treeshrew share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Brown Rat

LC — Least Concern

Northern Smooth-Tailed Treeshrew

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Northern Smooth-Tailed Treeshrew
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).

Northern Smooth-Tailed Treeshrew

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.