brown bear vs Eastern Red Bat

Ursus arctos compared with Lasiurus borealis

Key Differences

• brown bear is Extinct while Eastern Red Bat is Least Concern.

Taxonomic Classification

Rank	brown bear	Eastern Red Bat
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	Carnivora (ネコ目)	Chiroptera (翼手目)
Family	Ursidae (Bears)	Vespertilionidae
Genus	Ursus (Bears)	Lasiurus
Species	Ursus arctos	Lasiurus borealis

Evolutionary Relationship

brown bear and Eastern Red Bat share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

brown bear

EX — Extinct

Population: ~200.0K

Trend: Stable →

Eastern Red Bat

LC — Least Concern

Physical Characteristics

Attribute	brown bear	Eastern Red 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).

Eastern Red Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in United States.

brown bear

世界で最も広く分布するクマ科の種であるヒグマ（Ursus arctos）は、北アメリカとヨーロッパからロシアを経て日本まで、森林、ツンドラ、高山草原を占有します。成体はアラスカの沿岸個体群では最大700kgまで体重が増えることがあります。果物、根、魚、腐肉を食べる雑食動物で、ヒグマは景観全体に栄養素を分配するキーストーン種です。ほとんどの個体群は安定していますが、一部の亜種は脅威にさらされています。