Atiu Swiftlet vs Green-tailed Trainbearer

Aerodramus sawtelli compared with Lesbia nuna

Key Differences

• Atiu Swiftlet is Vulnerable while Green-tailed Trainbearer is Least Concern.

Taxonomic Classification

Rank	Atiu Swiftlet	Green-tailed Trainbearer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Apodiformes (Apodiformes)	Apodiformes (Apodiformes)
Family	Apodidae	Trochilidae
Genus	Aerodramus	Lesbia
Species	Aerodramus sawtelli	Lesbia nuna

Evolutionary Relationship

Atiu Swiftlet and Green-tailed Trainbearer share a common ancestor at the Order level: Apodiformes. (Apodiformes)

Conservation Status

Atiu Swiftlet

VU — Vulnerable

Green-tailed Trainbearer

LC — Least Concern

Physical Characteristics

Attribute	Atiu Swiftlet	Green-tailed Trainbearer
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atiu Swiftlet

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Green-tailed Trainbearer

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Atiu Swiftlet

The Atiu Swiftlet (Aerodramus sawtelli) is a species in the genus Aerodramus. It is currently classified as Vulnerable on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

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