Canadian beaver vs Lion

Castor canadensis compared with Panthera leo

Key Differences

Canadian beaver is Not Evaluated while Lion is Vulnerable.
Canadian beaver is herbivore while Lion is carnivore.
Lion is 7.6x heavier than Canadian beaver.

Taxonomic Classification

Rank	Canadian beaver	Lion
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)	Carnivora (ネコ目)
Family	Castoridae (Beavers)	Felidae (Cats)
Genus	Castor (Beavers)	Panthera (Big Cats)
Species	Castor canadensis	Panthera leo

Evolutionary Relationship

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

表示 Class: Mammalia

Conservation Status

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Lion

VU — Vulnerable

Population: ~23.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Canadian beaver	Lion
Diet	Herbivore	Carnivore
Average Lifespan	15 years	15 years
Average Length	1.0 m	2.5 m
Average Weight	25.0 kg	190.0 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).

Lion

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 7 distinct biome types spanning the Afrotropic and Neotropic and Oceanian realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Colombia, Ecuador, and Kenya. Currently classified as Vulnerable 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。