白头海雕 vs

Haliaeetus leucocephalus compared with Psammothidium acidoclinatum

Taxonomic Classification

Rank	白头海雕
Kingdom	Animalia (动物界)	Chromista (色藻界)
Phylum	Chordata (脊索动物门)	Ochrophyta (淡色藻门)
Class	Aves (鳥綱)	Bacillariophyceae (硅藻纲)
Order	Accipitriformes (鷹形目)	Achnanthales (曲壳藻目)
Family	Accipitridae (Hawks & Eagles)	Achnanthidiaceae
Genus	Haliaeetus (Sea Eagles)	Psammothidium
Species	Haliaeetus leucocephalus	Psammothidium acidoclinatum

Conservation Status

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

NE — Not Evaluated

Physical Characteristics

Attribute	白头海雕
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).

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Norway 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。

Psammothidium acidoclinatum是在贫营养湖泊、沼泽和软水河流的酸性基质上附着生长的小型底栖淡水硅藻。其硅质细胞壁明显不对称，壳瓣形态有助于附着于沉积物颗粒。该种是淡水生态学中特别是关于酸度方面的水化学有用生物指示种。

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden