Brown Rat vs European polecat

Rattus norvegicus compared with Mustela putorius

Key Differences

• Brown Rat is Least Concern while European polecat is Vulnerable.

Taxonomic Classification

Rank	Brown Rat	European polecat
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Rodentia (ネズミ目)	Carnivora (ネコ目)
Family	Muridae (Mice & Rats)	Mustelidae (Weasels & Otters)
Genus	Rattus	Mustela
Species	Rattus norvegicus	Mustela putorius

Evolutionary Relationship

Brown Rat and European polecat share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Brown Rat

LC — Least Concern

European polecat

VU — Vulnerable

Physical Characteristics

Attribute	Brown Rat	European polecat
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).

European polecat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (10 countries) and South America (Brazil, Colombia). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Brown Rat

ドブネズミ（Rattus norvegicus）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体に広く生息し個体数は安定しており、緊急の保護上の懸念はありません。

European polecat

ヨーロッパケナガイタチ（Mustela putorius）はIUCNレッドリストで危急（VU）に分類されています。野生での危機的状況に陥る高いリスクがあり、個体数が減少し、生息地への圧力が増しています。

Shared Countries

Both species can be found in 12 countries:

🇧🇪 Belgium 🇧🇷 Brazil 🇨🇴 Colombia 🇩🇰 Denmark 🇮🇪 Ireland 🇮🇹 Italy 🇳🇴 Norway 🇵🇹 Portugal 🇷🇺 Russia 🇪🇸 Spain 🇸🇪 Sweden 🇺🇦 Ukraine