白头海雕 vs 渡鴉

Haliaeetus leucocephalus compared with Corvus corax

Key Differences

白头海雕 is carnivore while 渡鴉 is omnivore.
白头海雕 is 4.2x heavier than 渡鴉.
白头海雕 lives longer (28 years vs 15 years).

Taxonomic Classification

Rank	白头海雕	渡鴉
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)	Corvidae (Crows & Ravens)
Genus	Haliaeetus (Sea Eagles)	Corvus (Crows & Ravens)
Species	Haliaeetus leucocephalus	Corvus corax

Evolutionary Relationship

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

查看 Class: Aves

Conservation Status

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

渡鴉

NE — Not Evaluated

Population: ~16.0M

Trend: Increasing ↑

Physical Characteristics

Attribute	白头海雕	渡鴉
Diet	Carnivore	Omnivore
Average Lifespan	28 years	15 years
Average Length	90 cm	60 cm
Average Weight	5.0 kg	1.2 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).

渡鴉

Habitat

Typically found in a wide range of habitat types.

Range

Found across Europe (6 countries) and North America (United States).

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。

渡鴉

渡鸦（Corvus corax）是已知最聪明的鸟类之一，展现出包括使用工具、规划和欺骗行为在内的、可与大型猿类媲美的问题解决能力。广泛分布于北半球，从北极冻原到沙漠均有踪迹，是适应力极强的杂食性动物。渡鸦形成复杂的社会等级，进行协作觅食，还被观察到玩耍行为。高超的智力和黑色羽毛使其成为许多文化神话中的重要形象。