白头海雕 vs 白鵜鶘

Haliaeetus leucocephalus compared with Pelecanus onocrotalus

Key Differences

• 白鵜鶘 is 2.0x heavier than 白头海雕.
• 白鵜鶘 lives longer (30 years vs 28 years).

Taxonomic Classification

Rank	白头海雕	白鵜鶘
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	Aves (鳥綱)	Aves (鳥綱)
Order	Accipitriformes (鷹形目)	Pelecaniformes (鹈形目)
Family	Accipitridae (Hawks & Eagles)	Pelecanidae
Genus	Haliaeetus (Sea Eagles)	Pelecanus
Species	Haliaeetus leucocephalus	Pelecanus onocrotalus

Evolutionary Relationship

白头海雕 and 白鵜鶘 share a common ancestor at the Class level: Aves. (鳥綱)

Conservation Status

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

白鵜鶘

NE — Not Evaluated

Trend: Stable →

Physical Characteristics

Attribute	白头海雕	白鵜鶘
Diet	Carnivore	Carnivore
Average Lifespan	28 years	30 years
Average Length	90 cm	1.6 m
Average Weight	5.0 kg	10.0 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).

白鵜鶘

Habitat

Typically found in diverse ecosystems where prey species are available.

Range

Found across Europe (9 countries).

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。

白鵜鶘

白鹈鹕是世界上最大的鹈鹕之一，翼展可达3.6米，栖息于欧洲、非洲和亚洲的浅湖和湿地。这是群居繁殖、协作觅食的社会性鸟类，鹈鹕群体会把鱼赶到浅水区，然后用可伸缩的喉囊将其舀起。喉囊最多可容纳13升水。种群数量稳定，全球被列为无危物种。

Shared Countries

Both species can be found in 7 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇸🇪 Sweden 🇬🇧 United Kingdom