vs Polar bear

Micarea lithinella compared with Ursus maritimus

Key Differences

  • is Data Deficient 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 Lecanoromycetes (チャシブゴケ菌綱) Mammalia (哺乳類)
Order Lecanorales (チャシブゴケ目) Carnivora (ネコ目)
Family Byssolomataceae Ursidae (Bears)
Genus Micarea Ursus (Bears)
Species Micarea lithinella Ursus maritimus

Conservation Status

DD — Data Deficient

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.

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.

Micarea lithinella は岩石表面に微小な子器を形成する淡色の顆粒状地衣体を持つ小型の痂状地衣類である。ヨーロッパ全域の冷温帯および亜高山帯環境の珪質岩面と石垣に生息する。この地衣類は裸の酸性岩石表面や風化した鉱物基質へのコロニー形成を行う。

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。

Shared Countries

Both species can be found in 1 countries:

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