厚嘴棉凫 vs 白头海雕

Nettapus auritus compared with Haliaeetus leucocephalus

Key Differences

• 厚嘴棉凫 is Least Concern while 白头海雕 is Not Evaluated.

Taxonomic Classification

Rank	厚嘴棉凫	白头海雕
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	Anseriformes (雁形目)	Accipitriformes (鷹形目)
Family	Anatidae	Accipitridae (Hawks & Eagles)
Genus	Nettapus	Haliaeetus (Sea Eagles)
Species	Nettapus auritus	Haliaeetus leucocephalus

Evolutionary Relationship

厚嘴棉凫 and 白头海雕 share a common ancestor at the Class level: Aves. (鳥綱)

Conservation Status

厚嘴棉凫

LC — Least Concern

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Physical Characteristics

Attribute	厚嘴棉凫	白头海雕
Diet	—	Carnivore
Average Lifespan	—	28 years
Average Length	—	90 cm
Average Weight	—	5.0 kg

Habitat & Geographic Range

厚嘴棉凫

Habitat

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

Range

Distributed across Belgium, France, Netherlands, Norway, and United Kingdom.

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).

厚嘴棉凫

非洲侏雁（Nettapus auritus）在IUCN红色名录中被评估为无危（LC），是非洲最小的雁鸭类之一，广泛分布于撒哈拉以南非洲的热带淡水湿地。该物种色彩艳丽，以水生植物的种子和叶片为食，常栖息于睡莲等浮叶植物茂盛的湖泊和沼泽中。其种群数量依赖湿地生态系统的健康状况。

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 5 countries:

🇧🇪 Belgium 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇬🇧 United Kingdom