白头海雕 vs Common Tiger Blue

Haliaeetus leucocephalus compared with Tarucus theophrastus

Key Differences

• 白头海雕 is Not Evaluated while Common Tiger Blue is Least Concern.

Taxonomic Classification

Rank	白头海雕	Common Tiger Blue
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)	Lycaenidae
Genus	Haliaeetus (Sea Eagles)	Tarucus
Species	Haliaeetus leucocephalus	Tarucus theophrastus

Evolutionary Relationship

白头海雕 and Common Tiger Blue 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 ↑

Common Tiger Blue

LC — Least Concern

Physical Characteristics

Attribute	白头海雕	Common Tiger Blue
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).

Common Tiger Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Malta and Spain.

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。

Common Tiger Blue

<em>Tarucus theophrastus</em>, commonly known as the common tiger blue, is a small butterfly belonging to the family Lycaenidae within the order Lepidoptera. This species is distributed across parts of North Africa, the Middle East, and the Indian subcontinent, including countries such as Morocco, Egypt, Saudi Arabia, and India. It typically inhabits dry scrubland, arid grasslands, and open woodland edges where its larval host plants are available. The wings display a characteristic blue-purple sheen on the upperside in males, while females exhibit more subdued coloration with broader dark margins. The underside features a distinctive pattern of white streaks and spots on a pale gray background, which gives the species its common name. <em>Tarucus theophrastus</em> is closely associated with plants in the genus Ziziphus, including jujube and Christ's thorn, which serve as primary larval food sources. Adults are typically active during warm months and can produce multiple broods per year in suitable climates. The species is currently assessed as Least Concern by the IUCN, with populations appearing stable across much of its range. Biological traits such as average lifespan, body length, and weight remain poorly documented in the scientific literature.