European pine marten vs Polar bear

Martes martes compared with Ursus maritimus

Key Differences

European pine marten is Critically Endangered while Polar bear is Vulnerable.

Taxonomic Classification

Rank	European pine marten	Polar bear
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 same	Carnivora (ネコ目)	Carnivora (ネコ目)
Family	Mustelidae (Weasels & Otters)	Ursidae (Bears)
Genus	Martes	Ursus (Bears)
Species	Martes martes	Ursus maritimus

Evolutionary Relationship

European pine marten and Polar bear share a common ancestor at the Order level: Carnivora. (ネコ目)

表示 Order: Carnivora

Conservation Status

European pine marten

CR — Critically Endangered

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	European pine marten	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

European pine marten

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (6 countries). Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

European pine marten

ヨーロッパテン（Martes martes）はIUCNレッドリストで絶滅危惧IA類（CR）に分類されています。深刻な個体数減少と生息地の喪失により、野生での絶滅の極めて高いリスクに直面しています。

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。