Brown Rat vs Taita Shrew

Rattus norvegicus compared with Suncus aequatorius

Key Differences

• Brown Rat is Least Concern while Taita Shrew is Critically Endangered.

Taxonomic Classification

Rank	Brown Rat	Taita Shrew
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Soricomorpha (Soricomorpha)
Family	Muridae (Mice & Rats)	Soricidae
Genus	Rattus	Suncus
Species	Rattus norvegicus	Suncus aequatorius

Evolutionary Relationship

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

Conservation Status

Brown Rat

LC — Least Concern

Taita Shrew

CR — Critically Endangered

Physical Characteristics

Attribute	Brown Rat	Taita Shrew
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).

Taita Shrew

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Kenya. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.