Canadian beaver vs Clouded Apollo

Castor canadensis compared with Parnassius mnemosyne

Key Differences

• Canadian beaver is Not Evaluated while Clouded Apollo is Near Threatened.

Taxonomic Classification

Rank	Canadian beaver	Clouded Apollo
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Rodentia (ネズミ目)	Lepidoptera (チョウ目)
Family	Castoridae (Beavers)	Papilionidae
Genus	Castor (Beavers)	Parnassius
Species	Castor canadensis	Parnassius mnemosyne

Evolutionary Relationship

Canadian beaver and Clouded Apollo share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Clouded Apollo

NT — Near Threatened

Physical Characteristics

Attribute	Canadian beaver	Clouded Apollo
Diet	Herbivore	—
Average Lifespan	15 years	—
Average Length	1.0 m	—
Average Weight	25.0 kg	—

Habitat & Geographic Range

Canadian beaver

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Widely distributed across Europe (15 countries), North America (United States), and South America (Argentina, Chile).

Clouded Apollo

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (33 countries). 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。

Clouded Apollo

ウンモンアポロ（Parnassius mnemosyne）は、IUCNレッドリストで準絶滅危惧（NT）に分類されています。脅威の基準に近づいており、保全措置なしでは脆弱になる可能性のある個体群を持ちます。

Shared Countries

Both species can be found in 10 countries:

🇦🇹 Austria 🇫🇮 Finland 🇫🇷 France 🇩🇪 Germany 🇭🇺 Hungary 🇳🇴 Norway 🇵🇱 Poland 🇷🇺 Russia 🇸🇪 Sweden 🇺🇦 Ukraine