Brown Rat vs Chestnut dunnart

Rattus norvegicus compared with Sminthopsis archeri

Key Differences

• Brown Rat is Least Concern while Chestnut dunnart is Data Deficient.

Taxonomic Classification

Rank	Brown Rat	Chestnut dunnart
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Dasyuromorphia (Dasyuromorphia)
Family	Muridae (Mice & Rats)	Dasyuridae
Genus	Rattus	Sminthopsis
Species	Rattus norvegicus	Sminthopsis archeri

Evolutionary Relationship

Brown Rat and Chestnut dunnart share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Brown Rat

LC — Least Concern

Chestnut dunnart

DD — Data Deficient

Physical Characteristics

Attribute	Brown Rat	Chestnut dunnart
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).

Chestnut dunnart

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.

Chestnut dunnart

The Chestnut dunnart (Sminthopsis archeri) is a species in the genus Sminthopsis. It is currently classified as Data Deficient on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.