白头海雕 vs large tortoiseshell

Haliaeetus leucocephalus compared with Nymphalis polychloros

Key Differences

• 白头海雕 is Not Evaluated while large tortoiseshell is Critically Endangered.

Taxonomic Classification

Rank	白头海雕	large tortoiseshell
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Chordata (脊索动物门)	Arthropoda (节肢动物门)
Class	Aves (鳥綱)	Insecta (昆蟲綱)
Order	Accipitriformes (鷹形目)	Lepidoptera (鱗翅目)
Family	Accipitridae (Hawks & Eagles)	Nymphalidae (Brush-footed Butterflies)
Genus	Haliaeetus (Sea Eagles)	Nymphalis
Species	Haliaeetus leucocephalus	Nymphalis polychloros

Evolutionary Relationship

白头海雕 and large tortoiseshell share a common ancestor at the Kingdom level: Animalia. (动物界)

Conservation Status

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

large tortoiseshell

CR — Critically Endangered

Physical Characteristics

Attribute	白头海雕	large tortoiseshell
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).

large tortoiseshell

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 9 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found across Europe (39 countries). 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。

large tortoiseshell

大玳瑁蝶（Nymphalis polychloros）在IUCN红色名录中被评为极危（CR）。由于种群数量严重下降和栖息地丧失，在野外面临极高的灭绝风险。

Shared Countries

Both species can be found in 8 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇫🇷 France 🇳🇱 Netherlands 🇳🇴 Norway 🇵🇱 Poland 🇸🇪 Sweden 🇬🇧 United Kingdom