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 (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order	Rodentia (啮齿目)	Carnivora (食肉目)
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. (哺乳動物)

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

北美最大的啮齿动物加拿大河狸体重可达32公斤，是栖息于加拿大和美国北部河流、湖泊和湿地的杰出生态系统工程师。通过伐木和建造可达数百米的水坝形成水塘，为数百种物种提供生境。其巢穴和运河改变了整个流域。曾因毛皮贸易被猎杀至濒临灭绝，但种群已大幅恢复。

Lion

非洲最大的野生猫科动物，体重可达250公斤，是撒哈拉以南非洲稀树草原和草地中唯一营群居生活的猫科动物。雄狮以其标志性的鬃毛著称。作为顶级捕食者，狮子调节草食动物种群，维持生态系统平衡。因栖息地丧失和人兽冲突被列为易危物种。