Arctic Blue vs アジサシ

Agriades aquilo compared with Sterna hirundo

Key Differences

• Arctic Blue is Near Threatened while アジサシ is Endangered.

Taxonomic Classification

Rank	Arctic Blue	アジサシ
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Arthropoda (節足動物)	Chordata (脊索動物)
Class	Insecta (昆虫)	Aves (鳥類)
Order	Lepidoptera (チョウ目)	Charadriiformes (チドリ目)
Family	Lycaenidae	Laridae
Genus	Agriades	Sterna
Species	Agriades aquilo	Sterna hirundo

Evolutionary Relationship

Arctic Blue and アジサシ share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Arctic Blue

NT — Near Threatened

アジサシ

EN — Endangered

Physical Characteristics

Attribute	Arctic Blue	アジサシ
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arctic Blue

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Finland, Norway, Russia, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

アジサシ

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 9 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 (7 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Arctic Blue

The Arctic Blue (Agriades aquilo) is a species in the genus Agriades. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

アジサシ

アジサシ（Sterna hirundo）はIUCNレッドリストで危機（EN）に分類されている。野生での絶滅リスクが高く、著しい個体数の減少と生存への継続的な脅威がある。

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇷🇺 Russia 🇸🇪 Sweden