Canadian beaver vs Little Big-eared Bat

Castor canadensis compared with Micronycteris megalotis

Key Differences

• Canadian beaver is Not Evaluated while Little Big-eared Bat is Least Concern.

Taxonomic Classification

Rank	Canadian beaver	Little Big-eared Bat
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)	Chiroptera (翼手目)
Family	Castoridae (Beavers)	Phyllostomidae
Genus	Castor (Beavers)	Micronycteris
Species	Castor canadensis	Micronycteris megalotis

Evolutionary Relationship

Canadian beaver and Little Big-eared Bat share a common ancestor at the Class level: Mammalia. (哺乳類)

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Little Big-eared Bat

LC — Least Concern

Physical Characteristics

Attribute	Canadian beaver	Little Big-eared Bat
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).

Little Big-eared Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.

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。