Polar bear vs ヒメシマオゲラ
Ursus maritimus compared with Colaptes punctigula
Key Differences
- Polar bear is Vulnerable while ヒメシマオゲラ is Least Concern.
Taxonomic Classification
| Rank | Polar bear | ヒメシマオゲラ |
|---|---|---|
| Kingdom same | Animalia (動物) | Animalia (動物) |
| Phylum same | Chordata (脊索動物) | Chordata (脊索動物) |
| Class | Mammalia (哺乳類) | Aves (鳥類) |
| Order | Carnivora (ネコ目) | Piciformes (キツツキ目) |
| Family | Ursidae (Bears) | Picidae |
| Genus | Ursus (Bears) | Colaptes |
| Species | Ursus maritimus | Colaptes punctigula |
Evolutionary Relationship
Polar bear and ヒメシマオゲラ share a common ancestor at the Phylum level: Chordata. (脊索動物)
Conservation Status
Polar bear
VU — VulnerablePopulation: ~26.0K
Trend: Decreasing ↓
ヒメシマオゲラ
LC — Least ConcernPhysical Characteristics
| Attribute | Polar bear | ヒメシマオゲラ |
|---|---|---|
| Diet | Carnivore | — |
| Average Lifespan | 25 years | — |
| Average Length | 2.4 m | — |
| Average Weight | 450.0 kg | — |
Habitat & Geographic Range
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.
ヒメシマオゲラ
Typically found in various aerial, terrestrial, and aquatic environments.
Distributed across Colombia, Ecuador, Norway, and Venezuela.
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。
ヒメシマオゲラ
コシラフゲラ(Colaptes punctigula)はIUCNレッドリストで軽度懸念(LC)に分類される。分布域全体に広く分布して個体数が豊富であり、個体群は安定していて即座の保全上の懸念はない。
Related Comparisons
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