vs Polar bear

Echinostelium paucifilum compared with Ursus maritimus

Key Differences

  • is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank Polar bear
Kingdom Protozoa (原生動物) Animalia (動物)
Phylum Mycetozoa Chordata (脊索動物)
Class Myxomycetes (変形菌綱) Mammalia (哺乳類)
Order Echinosteliales (ハリホコリ目) Carnivora (ネコ目)
Family Echinosteliaceae Ursidae (Bears)
Genus Echinostelium Ursus (Bears)
Species Echinostelium paucifilum Ursus maritimus

Conservation Status

NE — Not Evaluated

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 Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Sweden, and Taiwan.

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.

Echinostelium paucifilumはMyxogastria綱の中でも最も小さい部類に属する極めて微細な胞子嚢を形成する小型の変形菌です。世界中の森林の湿った避難場所となる微小生息地で、腐朽した植物材料や樹皮上に生育します。種小名paucifilumは胞子嚢内の少ない糸(毛細管糸)に由来し、この微小生物の特徴的な形質です。

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。

Shared Countries

Both species can be found in 1 countries:

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