白头海雕 vs

Haliaeetus leucocephalus compared with Methanococcus voltae

Taxonomic Classification

Rank	白头海雕
Kingdom	Animalia (动物界)	Archaea (Archaea)
Phylum	Chordata (脊索动物门)	Methanobacteriota_A
Class	Aves (鳥綱)	Methanococci (甲烷球菌纲)
Order	Accipitriformes (鷹形目)	Methanococcales (甲烷球菌目)
Family	Accipitridae (Hawks & Eagles)	Methanococcaceae
Genus	Haliaeetus (Sea Eagles)	Methanococcus
Species	Haliaeetus leucocephalus	Methanococcus voltae

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。

Methanococcus voltae 是甲烷球菌科的中温产甲烷古菌，因其是最早开发出遗传转化技术的产甲烷菌之一而备受关注。栖息于海洋沉积物，以氢气为电子供体还原二氧化碳产生甲烷。其模式生物地位对阐明古菌细胞生物学和遗传学的基本方面发挥了重要作用。