vs Polar bear
Eunotia rhomboidea compared with Ursus maritimus
Key Differences
- is Not Evaluated while Polar bear is Vulnerable.
Taxonomic Classification
| Rank | Polar bear | |
|---|---|---|
| Kingdom | Chromista (クロミスタ) | Animalia (動物) |
| Phylum | Ochrophyta (オクロ植物) | Chordata (脊索動物) |
| Class | Bacillariophyceae (クサリケイソウ綱) | Mammalia (哺乳類) |
| Order | Eunotiales (Eunotiales) | Carnivora (ネコ目) |
| Family | Eunotiaceae | Ursidae (Bears) |
| Genus | Eunotia | Ursus (Bears) |
| Species | Eunotia rhomboidea | 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 Europe and South America, inhabiting ecosystems characteristic of the region.
Distributed across Brazil, Norway, Portugal, and Sweden.
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.
Eunotia rhomboideaはEunotia属特有の微妙に湾曲した弓形背側縁とひし形輪郭を持つ淡水珪藻です。山岳湿地、泥炭池、軟水渓流を含む酸性の貧栄養から腐植栄養の淡水環境に生息します。この光合成珪藻は酸性の栄養貧しい淡水環境を示します。
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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