brown bear vs Japanese Short-tailed Bat

Ursus arctos compared with Eptesicus japonensis

Key Differences

• brown bear is Extinct while Japanese Short-tailed Bat is Vulnerable.

Taxonomic Classification

Rank	brown bear	Japanese Short-tailed Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Carnivora (Carnivorans)	Chiroptera (Bats)
Family	Ursidae (Bears)	Vespertilionidae
Genus	Ursus (Bears)	Eptesicus
Species	Ursus arctos	Eptesicus japonensis

Evolutionary Relationship

brown bear and Japanese Short-tailed Bat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

Japanese Short-tailed Bat

VU — Vulnerable

Physical Characteristics

Attribute	brown bear	Japanese Short-tailed Bat
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).

Japanese Short-tailed Bat

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.