vs Polar bear

Orbilia comma compared with Ursus maritimus

Key Differences

is Near Threatened while Polar bear is Vulnerable.

Taxonomic Classification

Rank		Polar bear
Kingdom	Fungi (菌界)	Animalia (動物)
Phylum	Ascomycota (子嚢菌門)	Chordata (脊索動物)
Class	Orbiliomycetes (Orbiliomycetes)	Mammalia (哺乳類)
Order	Orbiliales (Orbiliales)	Carnivora (ネコ目)
Family	Orbiliaceae	Ursidae (Bears)
Genus	Orbilia	Ursus (Bears)
Species	Orbilia comma	Ursus maritimus

Conservation Status

NT — Near Threatened

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Orbilia commaは湿潤な森林環境の腐木や植物残渣上に微小で半透明な淡黄色のカップ型子実体を形成する微小盤菌類です。森林床の有機物分解に関与する小型菌類属に属し、林業管理の変化と生息地喪失に敏感なため準絶滅危惧(NT)と評価されています。

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。