Polar bear vs Western Thyme Plume

Ursus maritimus compared with Merrifieldia tridactyla

Key Differences

Polar bear is Vulnerable while Western Thyme Plume is Near Threatened.

Taxonomic Classification

Rank	Polar bear	Western Thyme Plume
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Carnivora (ネコ目)	Lepidoptera (チョウ目)
Family	Ursidae (Bears)	Pterophoridae
Genus	Ursus (Bears)	Merrifieldia
Species	Ursus maritimus	Merrifieldia tridactyla

Evolutionary Relationship

Polar bear and Western Thyme Plume share a common ancestor at the Kingdom level: Animalia. (動物)

表示 Kingdom: Animalia

Conservation Status

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Western Thyme Plume

NT — Near Threatened

Physical Characteristics

Attribute	Polar bear	Western Thyme Plume
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 Thyme Plume

Habitat

Found across multiple habitat types including temperate coniferous forests, temperate broadleaf and mixed forests, and temperate grasslands and steppes, among 6 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Asia (5 countries) and Europe (28 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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。