白头海雕 vs thin-necked bladderworm

Haliaeetus leucocephalus compared with Taenia hydatigena

Taxonomic Classification

Rank	白头海雕	thin-necked bladderworm
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Platyhelminthes (扁形动物门)
Class	Aves (鳥綱)	Cestoda (絛蟲綱)
Order	Accipitriformes (鷹形目)	Cyclophyllidea (圓葉目)
Family	Accipitridae (Hawks & Eagles)	Taeniidae
Genus	Haliaeetus (Sea Eagles)	Taenia
Species	Haliaeetus leucocephalus	Taenia hydatigena

Evolutionary Relationship

白头海雕 and thin-necked bladderworm share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

thin-necked bladderworm

NE — Not Evaluated

Physical Characteristics

Attribute	白头海雕	thin-necked bladderworm
Diet	Carnivore	—
Average Lifespan	28 years	—
Average Length	90 cm	—
Average Weight	5.0 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).

thin-necked bladderworm

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway, Portugal, and Sweden.

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。

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden