Arctic Blue vs Long-tailed Sylph

Agriades aquilo compared with Aglaiocercus kingii

Key Differences

• Arctic Blue is Near Threatened while Long-tailed Sylph is Least Concern.

Taxonomic Classification

Rank	Arctic Blue	Long-tailed Sylph
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum	Arthropoda (مفصليات الأرجل)	Chordata (حبليات)
Class	Insecta (حشرات)	Aves (طيور)
Order	Lepidoptera (حرشفيات الأجنحة)	Apodiformes (سماميات)
Family	Lycaenidae	Trochilidae
Genus	Agriades	Aglaiocercus
Species	Agriades aquilo	Aglaiocercus kingii

Evolutionary Relationship

Arctic Blue and Long-tailed Sylph share a common ancestor at the Kingdom level: Animalia. (حيوانات)

Conservation Status

Arctic Blue

NT — Near Threatened

Long-tailed Sylph

LC — Least Concern

Physical Characteristics

Attribute	Arctic Blue	Long-tailed Sylph
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.

Long-tailed Sylph

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and 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.

Long-tailed Sylph

One of the most strikingly ornamented hummingbirds, male long-tailed sylphs have iridescent green plumage and dramatically elongated, ribbon-like outer tail feathers reaching up to 22 cm — over three times the body length. Found in Andean cloud forests of Colombia and Venezuela, they inhabit humid montane forest between 1,400–2,800 meters elevation. Males perform elaborate display flights to attract females. Their extravagant tails are a classic example of sexual selection via female preference.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway