Alpine Rustwort vs Polar bear

Gymnomitrion alpinum compared with Ursus maritimus

Key Differences

Alpine Rustwort is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Alpine Rustwort	Polar bear
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Marchantiophyta (苔類)	Chordata (脊索動物)
Class	Jungermanniopsida (Jungermanniopsida)	Mammalia (哺乳類)
Order	Jungermanniales (ウロコゴケ目)	Carnivora (ネコ目)
Family	Gymnomitriaceae	Ursidae (Bears)
Genus	Gymnomitrion	Ursus (Bears)
Species	Gymnomitrion alpinum	Ursus maritimus

Conservation Status

Alpine Rustwort

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Alpine Rustwort	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Alpine Rustwort

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway and Sweden.

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.

Alpine Rustwort

The Alpine Rustwort (Gymnomitrion alpinum) is a species in the genus Gymnomitrion. Native to Europe, inhabiting ecosystems characteristic of the region. Distributed across Norway and Sweden.

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。