大翅鯨 vs 瓶鼻海豚

Megaptera novaeangliae compared with Tursiops truncatus

Key Differences

• 大翅鯨 is Vulnerable while 瓶鼻海豚 is Least Concern.
• 大翅鯨 is 100.0x heavier than 瓶鼻海豚.
• 大翅鯨 lives longer (50 years vs 45 years).

Taxonomic Classification

Rank	大翅鯨	瓶鼻海豚
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 same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Balaenopteridae (Rorquals)	Delphinidae (Oceanic Dolphins)
Genus	Megaptera (Humpback Whales)	Tursiops (Bottlenose Dolphins)
Species	Megaptera novaeangliae	Tursiops truncatus

Evolutionary Relationship

大翅鯨 and 瓶鼻海豚 share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

大翅鯨

VU — Vulnerable

Population: ~80.0K

Trend: Increasing ↑

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	大翅鯨	瓶鼻海豚
Diet	Carnivore	Carnivore
Average Lifespan	50 years	45 years
Average Length	15.0 m	3.0 m
Average Weight	30.0 t	300.0 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.

瓶鼻海豚

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 12 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (Taiwan), Europe (6 countries), and South America (Colombia, Ecuador, Venezuela).

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。

瓶鼻海豚

作为研究最广泛、最受认可的海豚物种，宽吻海豚栖息于全球从沿岸浅水到远洋的温暖和温带海域。高度智能，大脑相对体型较大，展示自我认知、复杂交流和社会学习。生活在流动的分裂-融合社会中，合作围捕鱼群。是海洋生态系统健康的关键指示物种。

Shared Countries

Both species can be found in 9 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden 🇹🇼 Taiwan 🇻🇪 Venezuela