Alcock's Spruce vs 白头海雕

Picea alcoquiana compared with Haliaeetus leucocephalus

Key Differences

• Alcock's Spruce is Near Threatened while 白头海雕 is Not Evaluated.

Taxonomic Classification

Rank	Alcock's Spruce	白头海雕
Kingdom	Plantae (植物)	Animalia (动物界)
Phylum	Coniferophyta (Conifers)	Chordata (脊索动物门)
Class	Pinopsida (松柏纲)	Aves (鳥綱)
Order	Pinales (松柏目)	Accipitriformes (鷹形目)
Family	Pinaceae (Pine Family)	Accipitridae (Hawks & Eagles)
Genus	Picea	Haliaeetus (Sea Eagles)
Species	Picea alcoquiana	Haliaeetus leucocephalus

Conservation Status

Alcock's Spruce

NT — Near Threatened

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Physical Characteristics

Attribute	Alcock's Spruce	白头海雕
Diet	—	Carnivore
Average Lifespan	—	28 years
Average Length	—	90 cm
Average Weight	—	5.0 kg

Habitat & Geographic Range

Alcock's Spruce

Habitat

Typically found in temperate and boreal forests, often at higher elevations.

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).

Alcock's Spruce

The Alcock's Spruce (Picea alcoquiana) is a species in the genus Picea. It is currently classified as Near Threatened on the IUCN Red List. Typically found in temperate and boreal forests, often at higher elevations.

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。