Polar bear vs western roe deer

Ursus maritimus compared with Capreolus capreolus

Key Differences

• Polar bear is Vulnerable while western roe deer is Least Concern.

Taxonomic Classification

Rank	Polar bear	western roe deer
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)	Artiodactyla (偶蹄目)
Family	Ursidae (Bears)	Cervidae (Deer)
Genus	Ursus (Bears)	Capreolus
Species	Ursus maritimus	Capreolus capreolus

Evolutionary Relationship

Polar bear and western roe deer share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

western roe deer

LC — Least Concern

Physical Characteristics

Attribute	Polar bear	western roe deer
Diet	Carnivore	—
Average Lifespan	25 years	—
Average Length	2.4 m	—
Average Weight	450.0 kg	—

Habitat & Geographic Range

Polar bear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

western roe deer

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found across Europe (7 countries).

Polar bear

地球上で最大の陸上肉食動物であるホッキョクグマは700kgを超えることがあり、カナダからロシアまでの北極海氷域全体に分布する。ワモンアザラシとヒゲアザラシを狩るために海氷に依存する高度に特化した海洋哺乳類である。広大な距離を泳ぐことができる優れた泳者でもある。脆弱種に指定されており、気候変動による急激な北極海氷の消失で個体群が深刻な圧力を受けている。

western roe deer

ノロジカ(Capreolus capreolus)は、IUCNレッドリストで軽度懸念(LC)に分類される。生息域全体にわたり広く分布し個体群は安定しており、直接的な保全上の懸念はない。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway