白头海雕 vs Common Club Moss

Haliaeetus leucocephalus compared with Lycopodium clavatum

Taxonomic Classification

Rank	白头海雕	Common Club Moss
Kingdom	Animalia (动物界)	Plantae (植物)
Phylum	Chordata (脊索动物门)	Tracheophyta
Class	Aves (鳥綱)	Lycopodiopsida (石松纲)
Order	Accipitriformes (鷹形目)	Lycopodiales (石松目)
Family	Accipitridae (Hawks & Eagles)	Lycopodiaceae
Genus	Haliaeetus (Sea Eagles)	Lycopodium
Species	Haliaeetus leucocephalus	Lycopodium clavatum

Conservation Status

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Common Club Moss

NE — Not Evaluated

Physical Characteristics

Attribute	白头海雕	Common Club Moss
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).

Common Club Moss

Habitat

Native to Africa and Asia and Europe, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Africa (Guinea), Asia (Taiwan), Europe (9 countries), North America (Canada, United States), Oceania and the Pacific (Australia), and South America (Brazil, Colombia).

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。

Common Club Moss

<em>Lycopodium clavatum</em>, commonly known as common club moss or running clubmoss, is a primitive vascular plant in the family Lycopodiaceae. This ancient lineage predates seed plants and is distributed across a remarkably wide geographic range, including Africa, Asia, Europe, North America, Oceania, and South America. It typically grows in heathlands, moorlands, boreal forests, and alpine meadows, often forming extensive creeping mats along the ground. The species reproduces via spores produced in distinctive club-shaped strobili, from which it derives its common name. <em>Lycopodium clavatum</em> favors acidic, well-drained soils in open or semi-shaded habitats. Its spores have historically been used in pyrotechnics and as a coating for pills. Biological traits of this species remain poorly documented in the scientific literature.