Canadian beaver vs Formosan rock macaque

Castor canadensis compared with Macaca cyclopis

Key Differences

• Canadian beaver is Not Evaluated while Formosan rock macaque is Least Concern.

Taxonomic Classification

Rank	Canadian beaver	Formosan rock macaque
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order	Rodentia (ネズミ目)	Primates (サル目)
Family	Castoridae (Beavers)	Cercopithecidae (Old World Monkeys)
Genus	Castor (Beavers)	Macaca
Species	Castor canadensis	Macaca cyclopis

Evolutionary Relationship

Canadian beaver and Formosan rock macaque share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Formosan rock macaque

LC — Least Concern

Physical Characteristics

Attribute	Canadian beaver	Formosan rock macaque
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).

Formosan rock macaque

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Japan and Taiwan.

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。