bog-asphodel vs Polar bear

Narthecium americanum compared with Ursus maritimus

Key Differences

bog-asphodel is Extinct while Polar bear is Vulnerable.

Taxonomic Classification

Rank	bog-asphodel	Polar bear
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Magnoliophyta (被子植物門)	Chordata (脊索動物)
Class	Liliopsida (単子葉植物綱)	Mammalia (哺乳類)
Order	Dioscoreales (ヤマノイモ目)	Carnivora (ネコ目)
Family	Nartheciaceae	Ursidae (Bears)
Genus	Narthecium	Ursus (Bears)
Species	Narthecium americanum	Ursus maritimus

Conservation Status

bog-asphodel

EX — Extinct

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	bog-asphodel	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

bog-asphodel

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

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.

bog-asphodel

The bog-asphodel (Narthecium americanum) is a species in the genus Narthecium. It is currently classified as Extinct on the IUCN Red List.

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。