brown bear vs European polecat

Ursus arctos compared with Mustela putorius

Key Differences

• brown bear is Extinct while European polecat is Vulnerable.

Taxonomic Classification

Rank	brown bear	European polecat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Carnivora (Carnivorans)	Carnivora (Carnivorans)
Family	Ursidae (Bears)	Mustelidae (Weasels & Otters)
Genus	Ursus (Bears)	Mustela
Species	Ursus arctos	Mustela putorius

Evolutionary Relationship

brown bear and European polecat share a common ancestor at the Order level: Carnivora. (Carnivorans)

Conservation Status

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

European polecat

VU — Vulnerable

Physical Characteristics

Attribute	brown bear	European polecat
Diet	Omnivore	—
Average Lifespan	25 years	—
Average Length	2.0 m	—
Average Weight	300.0 kg	—

Habitat & Geographic Range

brown bear

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 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 bear

The world's most widely distributed bear species, brown bears range from North America and Europe across Russia to Japan, occupying forests, tundra, and alpine meadows. Adults can weigh up to 700 kg in coastal Alaskan populations. Omnivores that consume berries, roots, fish, and carrion, brown bears are a keystone species that distribute nutrients across landscapes. Most populations are stable, though some subspecies are threatened.

European polecat

European polecat (Mustela putorius) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden 🇺🇦 Ukraine