白头海雕 vs Gharial

Haliaeetus leucocephalus compared with Gavialis gangeticus

Key Differences

• 白头海雕 is Not Evaluated while Gharial is Critically Endangered.
• Gharial is 40.0x heavier than 白头海雕.
• Gharial lives longer (60 years vs 28 years).

Taxonomic Classification

Rank	白头海雕	Gharial
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	Aves (鳥綱)	Reptilia (爬行纲)
Order	Accipitriformes (鷹形目)	Crocodylia (Crocodilians)
Family	Accipitridae (Hawks & Eagles)	Crocodylidae (Crocodiles)
Genus	Haliaeetus (Sea Eagles)	Crocodylus (True Crocodiles)
Species	Haliaeetus leucocephalus	Gavialis gangeticus

Evolutionary Relationship

白头海雕 and Gharial share a common ancestor at the Phylum level: Chordata. (脊索动物门)

Conservation Status

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Gharial

CR — Critically Endangered

Population: ~650

Trend: Increasing ↑

Physical Characteristics

Attribute	白头海雕	Gharial
Diet	Carnivore	Carnivore
Average Lifespan	28 years	60 years
Average Length	90 cm	5.0 m
Average Weight	5.0 kg	200.0 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).

Gharial

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical coniferous forests, and temperate broadleaf and mixed forests, among 6 distinct biome types spanning the Indomalayan and Palearctic realms. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across India and Nepal. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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。

Gharial

恒河鳄（Gavialis gangeticus）是一种具有独特细长吻部的食鱼性鳄目动物。成体不足700条，是极危物种。