Azuré des astragales vs Pygargue à tête blanche

Kretania trappi compared with Haliaeetus leucocephalus

Key Differences

• Azuré des astragales is Near Threatened while Pygargue à tête blanche is Not Evaluated.

Taxonomic Classification

Rank	Azuré des astragales	Pygargue à tête blanche
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum	Arthropoda (arthropodes)	Chordata (Chordates)
Class	Insecta (insecte)	Aves (oiseau)
Order	Lepidoptera (Butterflies & Moths)	Accipitriformes (Hawks & Eagles)
Family	Lycaenidae	Accipitridae (Hawks & Eagles)
Genus	Kretania	Haliaeetus (Sea Eagles)
Species	Kretania trappi	Haliaeetus leucocephalus

Evolutionary Relationship

Azuré des astragales and Pygargue à tête blanche share a common ancestor at the Kingdom level: Animalia. (animal)

Conservation Status

Azuré des astragales

NT — Near Threatened

Pygargue à tête blanche

NE — Not Evaluated

Population: ~316.7K

Trend: Increasing ↑

Physical Characteristics

Attribute	Azuré des astragales	Pygargue à tête blanche
Diet	—	Carnivore
Average Lifespan	—	28 years
Average Length	—	90 cm
Average Weight	—	5.0 kg

Habitat & Geographic Range

Azuré des astragales

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across France, Italy, and Switzerland. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Pygargue à tête blanche

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).

Azuré des astragales

The Alpine Zephyr Blue (Kretania trappi) is a species in the genus Kretania. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats. Distributed across France, Italy, and Switzerland. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Pygargue à tête blanche

The national bird of the United States and a symbol of American conservation success, bald eagles have a wingspan of up to 2.4 meters and inhabit forests and wetlands near open water across North America. Powerful aerial predators and scavengers, they specialize in fish but also take waterfowl and carrion. Nearly extinct by the 1960s due to DDT poisoning and hunting, the bald eagle recovered dramatically following pesticide bans and the Endangered Species Act.

Shared Countries

Both species can be found in 1 countries:

🇫🇷 France