Brown Rat vs Fossa

Rattus norvegicus compared with Cryptoprocta ferox

Key Differences

• Brown Rat is Least Concern while Fossa is Vulnerable.

Taxonomic Classification

Rank	Brown Rat	Fossa
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Carnivora (สัตว์กินเนื้อ)
Family	Muridae (Mice & Rats)	Eupleridae
Genus	Rattus	Cryptoprocta
Species	Rattus norvegicus	Cryptoprocta ferox

Evolutionary Relationship

Brown Rat and Fossa share a common ancestor at the Class level: Mammalia. (สัตว์เลี้ยงลูกด้วยน้ำนม)

Conservation Status

Brown Rat

LC — Least Concern

Fossa

VU — Vulnerable

Physical Characteristics

Attribute	Brown Rat	Fossa
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).

Fossa

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.