ハクトウワシ vs Canadian beaver
Haliaeetus leucocephalus compared with Castor canadensis
Key Differences
- ハクトウワシ is carnivore while Canadian beaver is herbivore.
- Canadian beaver is 5.0x heavier than ハクトウワシ.
- ハクトウワシ lives longer (28 years vs 15 years).
Taxonomic Classification
| Rank | ハクトウワシ | Canadian beaver |
|---|---|---|
| Kingdom same | Animalia (動物) | Animalia (動物) |
| Phylum same | Chordata (脊索動物) | Chordata (脊索動物) |
| Class | Aves (鳥類) | Mammalia (哺乳類) |
| Order | Accipitriformes (タカ目) | Rodentia (ネズミ目) |
| Family | Accipitridae (Hawks & Eagles) | Castoridae (Beavers) |
| Genus | Haliaeetus (Sea Eagles) | Castor (Beavers) |
| Species | Haliaeetus leucocephalus | Castor canadensis |
Evolutionary Relationship
ハクトウワシ and Canadian beaver share a common ancestor at the Phylum level: Chordata. (脊索動物)
Conservation Status
ハクトウワシ
NE — Not EvaluatedPopulation: ~316.7K
Trend: Increasing ↑
Canadian beaver
NE — Not EvaluatedPopulation: ~15.0M
Trend: Stable →
Physical Characteristics
| Attribute | ハクトウワシ | Canadian beaver |
|---|---|---|
| Diet | Carnivore | Herbivore |
| Average Lifespan | 28 years | 15 years |
| Average Length | 90 cm | 1.0 m |
| Average Weight | 5.0 kg | 25.0 kg |
Habitat & Geographic Range
ハクトウワシ
Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 10 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.
Widely distributed across Europe (8 countries), North America (United States), and South America (Ecuador).
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).
ハクトウワシ
アメリカの国鳥であり保全の成功を象徴するハクトウワシは翼開長が最大2.4 mに達し、北米全域の水辺近くの森林や湿地に生息する。強力な空中捕食者兼腐肉食者で魚を主食とするが、水鳥や腐肉も捕食する。DDT汚染と狩猟によって1960年代にほぼ絶滅に瀕したが、農薬の使用禁止と絶滅危惧種法の施行により劇的に回復した。
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。
Shared Countries
Both species can be found in 8 countries:
Related Comparisons
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