白头海雕 vs

Haliaeetus leucocephalus compared with Petalomonas pusilla

Taxonomic Classification

Rank	白头海雕
Kingdom	Animalia (动物界)	Protozoa (原生動物)
Phylum	Chordata (脊索动物门)	Euglenozoa (裸藻门)
Class	Aves (鳥綱)	Euglenoidea (裸藻纲)
Order	Accipitriformes (鷹形目)	Petalomonadida (瓣胞藻目)
Family	Accipitridae (Hawks & Eagles)	Scytomonadidae
Genus	Haliaeetus (Sea Eagles)	Petalomonas
Species	Haliaeetus leucocephalus	Petalomonas pusilla

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。

Petalomonas pusilla 是一种小型自由生活的眼虫藻门鞭毛虫，以其坚硬扁平的细胞体和用于运动的单根鞭毛为特征。栖息于淡水和半咸水环境中，以细菌和有机颗粒为食。该属以缺乏叶绿体为特征，完全为异养型，不同于其光合性眼虫近亲。

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden