Canadian beaver vs Separated sedge

Castor canadensis compared with Carex divisa

Key Differences

Canadian beaver is Not Evaluated while Separated sedge is Critically Endangered.

Taxonomic Classification

Rank	Canadian beaver	Separated sedge
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)	Poales (イネ目)
Family	Castoridae (Beavers)	Cyperaceae
Genus	Castor (Beavers)	Carex
Species	Castor canadensis	Carex divisa

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Separated sedge

CR — Critically Endangered

Physical Characteristics

Attribute	Canadian beaver	Separated sedge
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).

Separated sedge

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, montane grasslands and shrublands, and Mediterranean forests and woodlands, among 5 distinct biome types within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Australia, Belgium, Portugal, South Africa, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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。