Arctic Blue vs Bridled Tern

Agriades aquilo compared with Onychoprion anaethetus

Key Differences

• Arctic Blue is Near Threatened while Bridled Tern is Least Concern.

Taxonomic Classification

Rank	Arctic Blue	Bridled Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Charadriiformes (Charadriiformes)
Family	Lycaenidae	Laridae
Genus	Agriades	Onychoprion
Species	Agriades aquilo	Onychoprion anaethetus

Evolutionary Relationship

Arctic Blue and Bridled Tern share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic Blue

NT — Near Threatened

Bridled Tern

LC — Least Concern

Physical Characteristics

Attribute	Arctic Blue	Bridled Tern
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.

Bridled Tern

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (4 countries) and South America (Colombia, Ecuador, Venezuela).

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.

Bridled Tern

The Bridled Tern (Onychoprion anaethetus) is a species in the genus Onychoprion. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden