Brown Rat vs Kew's Chthonid

Rattus norvegicus compared with Ephippiochthonius kewi

Key Differences

• Brown Rat is Least Concern while Kew's Chthonid is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Kew's Chthonid
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Arachnida (Arachnids)
Order	Rodentia (Rodents)	Pseudoscorpiones
Family	Muridae (Mice & Rats)	Chthoniidae
Genus	Rattus	Ephippiochthonius
Species	Rattus norvegicus	Ephippiochthonius kewi

Evolutionary Relationship

Brown Rat and Kew's Chthonid share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Brown Rat

LC — Least Concern

Kew's Chthonid

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Kew's Chthonid
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).

Kew's Chthonid

Habitat

Typically found in terrestrial habitats from forests to deserts.

Range

Found in Denmark.

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.

Shared Countries

Both species can be found in 1 countries:

🇩🇰 Denmark