vs Polar bear
Hantzschia virgata 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 | Bacillariales (Bacillariales) | Carnivora (ネコ目) |
| Family | Bacillariaceae | Ursidae (Bears) |
| Genus | Hantzschia | Ursus (Bears) |
| Species | Hantzschia virgata | 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 South America, inhabiting ecosystems characteristic of the region.
Distributed across Brazil, Norway, Sweden, and Taiwan.
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.
Hantzschia virgata は Bacillariaceae 科の羽状珪藻で、細長く、やや湾曲した珪質の殻壁が特徴です。通常、土壌、岩上性、または気生性の生息地に見られ、周期的な乾燥に耐えることができます。保全状況は地球規模の評価では評価されていません。
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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