Brown Rat vs Long-tailed Chinchilla

Rattus norvegicus compared with Chinchilla lanigera

Key Differences

• Brown Rat is Least Concern while Long-tailed Chinchilla is Not Evaluated.

Taxonomic Classification

Rank	Brown Rat	Long-tailed Chinchilla
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	Muridae (Mice & Rats)	Chinchillidae
Genus	Rattus	Chinchilla
Species	Rattus norvegicus	Chinchilla lanigera

Evolutionary Relationship

Brown Rat and Long-tailed Chinchilla share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Brown Rat

LC — Least Concern

Long-tailed Chinchilla

NE — Not Evaluated

Physical Characteristics

Attribute	Brown Rat	Long-tailed Chinchilla
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).

Long-tailed Chinchilla

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Denmark, and Ecuador.

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 3 countries:

🇨🇴 Colombia 🇩🇰 Denmark 🇪🇨 Ecuador