大翅鯨 vs Canadian beaver

Megaptera novaeangliae compared with Castor canadensis

Key Differences

• 大翅鯨 is Vulnerable while Canadian beaver is Not Evaluated.
• 大翅鯨 is carnivore while Canadian beaver is herbivore.
• 大翅鯨 is 1200.0x heavier than Canadian beaver.
• 大翅鯨 lives longer (50 years vs 15 years).

Taxonomic Classification

Rank	大翅鯨	Canadian beaver
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	Cetacea (Whales & Dolphins)	Rodentia (啮齿目)
Family	Balaenopteridae (Rorquals)	Castoridae (Beavers)
Genus	Megaptera (Humpback Whales)	Castor (Beavers)
Species	Megaptera novaeangliae	Castor canadensis

Evolutionary Relationship

大翅鯨 and Canadian beaver share a common ancestor at the Class level: Mammalia. (哺乳動物)

Conservation Status

大翅鯨

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

Canadian beaver

NE — Not Evaluated

Population: ~15.0M

Trend: Stable →

Physical Characteristics

Attribute	大翅鯨	Canadian beaver
Diet	Carnivore	Herbivore
Average Lifespan	50 years	15 years
Average Length	15.0 m	1.0 m
Average Weight	30.0 t	25.0 kg

Habitat & Geographic Range

大翅鯨

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 11 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its 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).

大翅鯨

座头鲸是大型鲸类中最具杂技表演性的物种之一，以繁殖季节雄性演唱的复杂而神秘的歌声著称，歌声有时持续数小时并随时间演变。体长可达16米，体重30吨，进行着哺乳动物中最长距离的洄游。分布于所有大洋，通过协作泡泡网捕食磷虾和小鱼。种群数量已从历史捕鲸后大体恢复。

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。

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden