Canadian beaver vs オオタカ
Castor canadensis compared with Accipiter gentilis
Key Differences
- Canadian beaver is Not Evaluated while オオタカ is Near Threatened.
Taxonomic Classification
| Rank | Canadian beaver | オオタカ |
|---|---|---|
| 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 | Rodentia (ネズミ目) | Accipitriformes (タカ目) |
| Family | Castoridae (Beavers) | Accipitridae (Hawks & Eagles) |
| Genus | Castor (Beavers) | Accipiter |
| Species | Castor canadensis | Accipiter gentilis |
Evolutionary Relationship
Canadian beaver and オオタカ share a common ancestor at the Phylum level: Chordata. (脊索動物)
Conservation Status
Canadian beaver
NE — Not EvaluatedPopulation: ~15.0M
Trend: Stable →
オオタカ
NT — Near ThreatenedPhysical Characteristics
| Attribute | Canadian beaver | オオタカ |
|---|---|---|
| Diet | Herbivore | — |
| Average Lifespan | 15 years | — |
| Average Length | 1.0 m | — |
| Average Weight | 25.0 kg | — |
Habitat & Geographic Range
Canadian beaver
Typically found in grasslands, forests, and vegetated habitats.
Widely distributed across Europe (15 countries), North America (United States), and South America (Argentina, Chile).
オオタカ
Typically found in various aerial, terrestrial, and aquatic environments.
Found across Europe (7 countries) and North America (United States). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.
Canadian beaver
北米最大の齧歯類であるカナダビーバーは体重32kgにも達し、カナダ・米国北部の河川、湖沼、湿地に生息する優れた生態系エンジニアです。木を倒して数百メートルに及ぶダムを造ることで池を形成し、数百種の生息環境を提供します。その巣穴や運河は流域全体を変化させます。かつては毛皮のために絶滅寸前まで狩られましたが、個体数は大きく回復しています。
オオタカ
オオタカ(Accipiter gentilis)はIUCNレッドリストで準絶滅危惧(NT)に分類されています。保全措置なしには脆弱になる可能性があり、絶滅危惧に近い個体群として評価されています。
Shared Countries
Both species can be found in 7 countries:
Related Comparisons
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