橡树啄木鸟 vs 白头海雕

Melanerpes formicivorus compared with Haliaeetus leucocephalus

Key Differences

• 橡树啄木鸟 is Least Concern while 白头海雕 is Not Evaluated.

Taxonomic Classification

Rank	橡树啄木鸟	白头海雕
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Aves (鳥綱)	Aves (鳥綱)
Order	Piciformes (鴷形目)	Accipitriformes (鷹形目)
Family	Picidae	Accipitridae (Hawks & Eagles)
Genus	Melanerpes	Haliaeetus (Sea Eagles)
Species	Melanerpes formicivorus	Haliaeetus leucocephalus

Evolutionary Relationship

橡树啄木鸟 and 白头海雕 share a common ancestor at the Class level: Aves. (鳥綱)

Conservation Status

橡树啄木鸟

LC — Least Concern

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Physical Characteristics

Attribute	橡树啄木鸟	白头海雕
Diet	—	Carnivore
Average Lifespan	—	28 years
Average Length	—	90 cm
Average Weight	—	5.0 kg

Habitat & Geographic Range

橡树啄木鸟

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Distributed across Colombia and Norway.

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).

橡树啄木鸟

橡实啄木鸟（Melanerpes formicivorus）是北美洲西部橡树林中的标志性鸟类，在IUCN红色名录中被评估为无危（LC）。该物种以集体储存橡实的独特行为著称，会将成千上万颗橡实塞入树皮缝隙中作为越冬食物储备。其社会性群居行为和协作繁殖体系在鸟类学研究中颇受关注。

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。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway