vs Polar bear

Physarum viride 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 Physarales (モジホコリ目) Carnivora (ネコ目)
Family Physaraceae Ursidae (Bears)
Genus Physarum Ursus (Bears)
Species Physarum viride 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 and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (Belgium, Norway, Sweden), North America (United States), and South America (Brazil).

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.

Physarum viride は森林生息地の枯れ木、葉、落葉を含む腐朽有機物に小さく鮮やかな黄緑色の胞子嚢を形成する鮮明な色彩の変形菌類である。すべての Physarum 種と同様に、食物粒子を包み込むために基質上を這い回る多核原形質として生活の一部を過ごす。温帯および熱帯の湿潤な林地に生育する。

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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