Alfalfa Butterfly vs 白头海雕

Colias eurytheme compared with Haliaeetus leucocephalus

Key Differences

• Alfalfa Butterfly is Least Concern while 白头海雕 is Not Evaluated.

Taxonomic Classification

Rank	Alfalfa Butterfly	白头海雕
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum	Arthropoda (节肢动物门)	Chordata (脊索动物门)
Class	Insecta (昆蟲綱)	Aves (鳥綱)
Order	Lepidoptera (鱗翅目)	Accipitriformes (鷹形目)
Family	Pieridae	Accipitridae (Hawks & Eagles)
Genus	Colias	Haliaeetus (Sea Eagles)
Species	Colias eurytheme	Haliaeetus leucocephalus

Evolutionary Relationship

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

Conservation Status

Alfalfa Butterfly

LC — Least Concern

白头海雕

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Physical Characteristics

Attribute	Alfalfa Butterfly	白头海雕
Diet	—	Carnivore
Average Lifespan	—	28 years
Average Length	—	90 cm
Average Weight	—	5.0 kg

Habitat & Geographic Range

Alfalfa Butterfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Canada and United States.

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).

Alfalfa Butterfly

The Alfalfa Butterfly (Colias eurytheme) is a species in the genus Colias. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

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。

Shared Countries

Both species can be found in 1 countries:

🇺🇸 United States