vs Polar bear
Arcyria incarnata 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 | Trichiales (ケホコリ目) | Carnivora (ネコ目) |
| Family | Arcyriaceae | Ursidae (Bears) |
| Genus | Arcyria | Ursus (Bears) |
| Species | Arcyria incarnata | Ursus maritimus |
Conservation Status
Polar bear
VU — VulnerablePopulation: ~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
Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.
Widely distributed across Asia (Taiwan), Europe (Denmark, Norway, Sweden), North America (United States), and South America (Brazil).
Polar bear
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.
Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.
Arcyria incarnataは鮮やかな色彩の粘菌(変形菌)で、森林環境の腐朽木や植物残渣上に密集した桃色から肌色の円筒形の胞子嚢の群落を形成します。栄養段階では細菌、菌類、有機粒子を摂食する運動性の変形体として存在します。本種は湿潤で日陰のある豊富な枯死材のある森林環境に世界的に分布します。
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。
Related Comparisons
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