白头海雕 vs 小鬚鯨

Haliaeetus leucocephalus compared with Balaenoptera acutorostrata

Key Differences

• 白头海雕 is Not Evaluated while 小鬚鯨 is Least Concern.

Taxonomic Classification

Rank	白头海雕	小鬚鯨
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)	Mammalia (哺乳動物)
Order	Accipitriformes (鷹形目)	Cetacea (Whales & Dolphins)
Family	Accipitridae (Hawks & Eagles)	Balaenopteridae (Rorquals)
Genus	Haliaeetus (Sea Eagles)	Balaenoptera (Rorquals)
Species	Haliaeetus leucocephalus	Balaenoptera acutorostrata

Evolutionary Relationship

白头海雕 and 小鬚鯨 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 ↑

小鬚鯨

LC — Least Concern

Physical Characteristics

Attribute	白头海雕	小鬚鯨
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).

小鬚鯨

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador).

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。

小鬚鯨

袋鲸（Berardius minimus）是一种分布于北太平洋的中等体型喙鲸，是近年来通过基因和形态学研究新认定的物种。该物种保护状态为数据缺乏（DD），其深海栖息习性使得系统性的种群调查极为困难。

Shared Countries

Both species can be found in 5 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇪🇨 Ecuador 🇳🇴 Norway 🇸🇪 Sweden