Brown Rat vs Smooth Newt

Rattus norvegicus compared with Lissotriton vulgaris

Taxonomic Classification

Rank	Brown Rat	Smooth Newt
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Amphibia (สัตว์สะเทินน้ำสะเทินบก)
Order	Rodentia (อันดับสัตว์ฟันแทะ)	Caudata (ซาลาแมนเดอร์)
Family	Muridae (Mice & Rats)	Salamandridae
Genus	Rattus	Lissotriton
Species	Rattus norvegicus	Lissotriton vulgaris

Evolutionary Relationship

Brown Rat and Smooth Newt share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Brown Rat

LC — Least Concern

Smooth Newt

LC — Least Concern

Physical Characteristics

Attribute	Brown Rat	Smooth Newt
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).

Smooth Newt

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden