Brown Rat vs Lowland Chrotomys

Rattus norvegicus compared with Chrotomys mindorensis

Taxonomic Classification

Rank	Brown Rat	Lowland Chrotomys
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 same	Muridae (Mice & Rats)	Muridae (Mice & Rats)
Genus	Rattus	Chrotomys
Species	Rattus norvegicus	Chrotomys mindorensis

Evolutionary Relationship

Brown Rat and Lowland Chrotomys share a common ancestor at the Family level: Muridae. (Mice & Rats)

Conservation Status

Brown Rat

LC — Least Concern

Lowland Chrotomys

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Lowland Chrotomys
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).

Lowland Chrotomys

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.