白头海雕 vs 瓶鼻海豚

Haliaeetus leucocephalus compared with Tursiops truncatus

Key Differences

• 白头海雕 is Not Evaluated while 瓶鼻海豚 is Least Concern.
• 瓶鼻海豚 is 60.0x heavier than 白头海雕.
• 瓶鼻海豚 lives longer (45 years vs 28 years).

Taxonomic Classification

Rank	白头海雕	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	Aves (鳥綱)	Mammalia (哺乳動物)
Order	Accipitriformes (鷹形目)	Cetacea (Whales & Dolphins)
Family	Accipitridae (Hawks & Eagles)	Delphinidae (Oceanic Dolphins)
Genus	Haliaeetus (Sea Eagles)	Tursiops (Bottlenose Dolphins)
Species	Haliaeetus leucocephalus	Tursiops truncatus

Evolutionary Relationship

白头海雕 and 瓶鼻海豚 share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

瓶鼻海豚

LC — Least Concern

Population: ~600.0K

Trend: Stable →

Physical Characteristics

Attribute	白头海雕	瓶鼻海豚
Diet	Carnivore	Carnivore
Average Lifespan	28 years	45 years
Average Length	90 cm	3.0 m
Average Weight	5.0 kg	300.0 kg

Habitat & Geographic Range

白头海雕

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and flooded grasslands and savannas, among 10 distinct biome types spanning the Neotropic and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Europe (8 countries), North America (United States), and South America (Ecuador).

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).

白头海雕

白头海雕是美国国鸟，也是美国生态保护史上的成功案例，曾因滴滴涕（DDT）的广泛使用而濒临灭绝，经保护措施的实施后种群数量已显著恢复。该物种在IUCN红色名录中被评估为无危（LC），以白色头颈和尾羽与深棕色体羽形成的鲜明对比为主要识别特征。它们主要以鱼类为食，也会捕食哺乳动物和腐肉。

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 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway 🇸🇪 Sweden