白头海雕 vs 白冠雞〔白冠瓣蹼雞，白骨頂〕

Haliaeetus leucocephalus compared with Fulica atra

Key Differences

• 白头海雕 is Not Evaluated while 白冠雞〔白冠瓣蹼雞，白骨頂〕 is Vulnerable.

Taxonomic Classification

Rank	白头海雕	白冠雞〔白冠瓣蹼雞，白骨頂〕
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)	Gruiformes (鹤形目)
Family	Accipitridae (Hawks & Eagles)	Rallidae
Genus	Haliaeetus (Sea Eagles)	Fulica
Species	Haliaeetus leucocephalus	Fulica atra

Evolutionary Relationship

白头海雕 and 白冠雞〔白冠瓣蹼雞，白骨頂〕 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 ↑

白冠雞〔白冠瓣蹼雞，白骨頂〕

VU — Vulnerable

Physical Characteristics

Attribute	白头海雕	白冠雞〔白冠瓣蹼雞，白骨頂〕
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).

白冠雞〔白冠瓣蹼雞，白骨頂〕

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Belgium, Denmark, Norway, Russia, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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。

白冠雞〔白冠瓣蹼雞，白骨頂〕

白骨顶（Fulica atra）在IUCN红色名录中被列为易危（VU）。面临野外高度濒危风险，种群数量下降，栖息地压力日益增大。

Shared Countries

Both species can be found in 4 countries:

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