Arctic Blue vs Green-tailed Trainbearer

Agriades aquilo compared with Lesbia nuna

Key Differences

• Arctic Blue is Near Threatened while Green-tailed Trainbearer is Least Concern.

Taxonomic Classification

Rank	Arctic Blue	Green-tailed Trainbearer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Aves (Birds)
Order	Lepidoptera (Butterflies & Moths)	Apodiformes (Apodiformes)
Family	Lycaenidae	Trochilidae
Genus	Agriades	Lesbia
Species	Agriades aquilo	Lesbia nuna

Evolutionary Relationship

Arctic Blue and Green-tailed Trainbearer share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Arctic Blue

NT — Near Threatened

Green-tailed Trainbearer

LC — Least Concern

Physical Characteristics

Attribute	Arctic Blue	Green-tailed Trainbearer
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.

Green-tailed Trainbearer

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.

Green-tailed Trainbearer

A medium-sized Andean hummingbird with a long, deeply forked green tail — the longest tail relative to body size among trainbearer hummingbirds — male green-tailed trainbearers inhabit open grassland, scrub, and Andean hedgerows from Ecuador to Bolivia at elevations of 2,000–4,000 meters. Males perform aerial display flights with the ornamental tail streaming behind. Found in semi-open Andean landscapes including gardens, agricultural areas, and páramo edges where they feed at diverse flowering plants.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway