Brown Rat vs Ceylon Spiny Mouse

Rattus norvegicus compared with Mus fernandoni

Key Differences

• Brown Rat is Least Concern while Ceylon Spiny Mouse is Endangered.

Taxonomic Classification

Rank	Brown Rat	Ceylon Spiny Mouse
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	Mus (House Mice)
Species	Rattus norvegicus	Mus fernandoni

Evolutionary Relationship

Brown Rat and Ceylon Spiny Mouse share a common ancestor at the Family level: Muridae. (Mice & Rats)

Conservation Status

Brown Rat

LC — Least Concern

Ceylon Spiny Mouse

EN — Endangered

Physical Characteristics

Attribute	Brown Rat	Ceylon Spiny Mouse
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).

Ceylon Spiny Mouse

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.

Ceylon Spiny Mouse

The Ceylon Spiny Mouse (Mus fernandoni) is a species in the genus Mus. It is currently classified as Endangered on the IUCN Red List.