白头海雕 vs

Haliaeetus leucocephalus compared with Kariarchaeum pelagius

Taxonomic Classification

Rank	白头海雕
Kingdom	Animalia (动物界)	Archaea (Archaea)
Phylum	Chordata (脊索动物门)	Asgardarchaeota (Asgardarchaeota)
Class	Aves (鳥綱)	Heimdallarchaeia (Heimdallarchaeia)
Order	Accipitriformes (鷹形目)	UBA460
Family	Accipitridae (Hawks & Eagles)	Kariarchaeaceae
Genus	Haliaeetus (Sea Eagles)	Kariarchaeum
Species	Haliaeetus leucocephalus	Kariarchaeum pelagius

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).

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。

Kariarchaeum pelagius 是DPANN古菌群的成员，代表在远洋海洋环境中发现的超小型、基因组精简的微生物。与其他DPANN古菌一样，由于其生物合成能力有限，可能依赖与其他微生物的代谢协作。在外洋水域的发现，将DPANN古菌多样性的认知从沉积物和酸性环境进一步拓展。