白头海雕 vs 灰背舞雀

Haliaeetus leucocephalus compared with Saltator coerulescens

Key Differences

• 白头海雕 is Not Evaluated while 灰背舞雀 is Least Concern.

Taxonomic Classification

Rank	白头海雕	灰背舞雀
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	Accipitriformes (鷹形目)	Passeriformes (雀形目)
Family	Accipitridae (Hawks & Eagles)	Thraupidae
Genus	Haliaeetus (Sea Eagles)	Saltator
Species	Haliaeetus leucocephalus	Saltator coerulescens

Evolutionary Relationship

白头海雕 and 灰背舞雀 share a common ancestor at the Class level: Aves. (鳥綱)

Conservation Status

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

灰背舞雀

LC — Least Concern

Physical Characteristics

Attribute	白头海雕	灰背舞雀
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).

灰背舞雀

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

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。

灰背舞雀

灰盐鸟是一种中大型健壮的鸟类，上体灰色，下体近白，具有被黑色髭纹镶边的醒目白喉，栖息于从墨西哥经中美洲至玻利维亚和阿根廷的广大分布区内的林缘、庭园和次生林地。适应性极强，在热带拉丁美洲各地的城郊公园和庭园中均能茁壮生长。它们发出丰富多变的悦耳鸣声，是受干扰的新热带景观中较为常见的大型鸣禽之一。

Shared Countries

Both species can be found in 2 countries:

🇪🇨 Ecuador 🇳🇴 Norway