Canadian beaver vs Threecorner leek

Castor canadensis compared with Allium triquetrum

Taxonomic Classification

Rank	Canadian beaver	Threecorner leek
Kingdom	Animalia (動物)	Plantae (植物)
Phylum	Chordata (脊索動物)	Magnoliophyta (被子植物門)
Class	Mammalia (哺乳類)	Liliopsida (単子葉植物綱)
Order	Rodentia (ネズミ目)	Asparagales (クサスギカズラ目)
Family	Castoridae (Beavers)	Amaryllidaceae
Genus	Castor (Beavers)	Allium
Species	Castor canadensis	Allium triquetrum

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Threecorner leek

NE — Not Evaluated

Physical Characteristics

Attribute	Canadian beaver	Threecorner leek
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).

Threecorner leek

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Range

Widely distributed across Africa (South Africa), Asia (Turkey), Europe (8 countries), North America (United States), Oceania and the Pacific (Australia, New Zealand), and South America (Argentina).

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。