Canadian beaver vs Flat Periwinkle

Castor canadensis compared with Littorina obtusata

Key Differences

Canadian beaver is Not Evaluated while Flat Periwinkle is Least Concern.

Taxonomic Classification

Rank	Canadian beaver	Flat Periwinkle
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Mollusca (軟体動物)
Class	Mammalia (哺乳類)	Gastropoda (腹足綱)
Order	Rodentia (ネズミ目)	Littorinimorpha (タマキビガイ下目)
Family	Castoridae (Beavers)	Littorinidae
Genus	Castor (Beavers)	Littorina
Species	Castor canadensis	Littorina obtusata

Evolutionary Relationship

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

表示 Kingdom: Animalia

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Flat Periwinkle

LC — Least Concern

Physical Characteristics

Attribute	Canadian beaver	Flat Periwinkle
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).

Flat Periwinkle

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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。