brown bear vs Indonesian Mountain Weasel

Ursus arctos compared with Mustela lutreolina

Key Differences

• brown bear is Extinct while Indonesian Mountain Weasel is Least Concern.

Taxonomic Classification

Rank	brown bear	Indonesian Mountain Weasel
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 lutreolina

Evolutionary Relationship

brown bear and Indonesian Mountain Weasel share a common ancestor at the Order level: Carnivora. (Carnivorans)

Conservation Status

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

Indonesian Mountain Weasel

LC — Least Concern

Physical Characteristics

Attribute	brown bear	Indonesian Mountain Weasel
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).

Indonesian Mountain Weasel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.