Brown Rat vs Isarog Shrew Mouse

Rattus norvegicus compared with Archboldomys luzonensis

Key Differences

• Brown Rat is Least Concern while Isarog Shrew Mouse is Vulnerable.

Taxonomic Classification

Rank	Brown Rat	Isarog Shrew 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	Archboldomys
Species	Rattus norvegicus	Archboldomys luzonensis

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

Isarog Shrew Mouse

VU — Vulnerable

Physical Characteristics

Attribute	Brown Rat	Isarog Shrew 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).

Isarog Shrew 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.