白头海雕 vs 小白鷺

Haliaeetus leucocephalus compared with Egretta garzetta

Key Differences

• 白头海雕 is Not Evaluated while 小白鷺 is Endangered.

Taxonomic Classification

Rank	白头海雕	小白鷺
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)	Pelecaniformes (鹈形目)
Family	Accipitridae (Hawks & Eagles)	Ardeidae
Genus	Haliaeetus (Sea Eagles)	Egretta
Species	Haliaeetus leucocephalus	Egretta garzetta

Evolutionary Relationship

白头海雕 and 小白鷺 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 ↑

小白鷺

EN — Endangered

Physical Characteristics

Attribute	白头海雕	小白鷺
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).

小白鷺

Habitat

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

Range

Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as 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。

小白鷺

小白鹭/西方礁鹭（Egretta garzetta）被IUCN红色名录列为濒危（EN）物种。在野外面临较高的灭绝风险，种群数量显著下降，生存面临持续威胁。

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States