Andean Swift vs Black-thighed Puffleg

Aeronautes andecolus compared with Eriocnemis derbyi

Key Differences

• Andean Swift is Least Concern while Black-thighed Puffleg is Near Threatened.

Taxonomic Classification

Rank	Andean Swift	Black-thighed Puffleg
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	Aeronautes	Eriocnemis
Species	Aeronautes andecolus	Eriocnemis derbyi

Evolutionary Relationship

Andean Swift and Black-thighed Puffleg share a common ancestor at the Order level: Apodiformes. (Apodiformes)

Conservation Status

Andean Swift

LC — Least Concern

Black-thighed Puffleg

NT — Near Threatened

Physical Characteristics

Attribute	Andean Swift	Black-thighed Puffleg
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Andean Swift

Habitat

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

Range

Found in Norway.

Black-thighed Puffleg

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Andean Swift

The Andean Swift (Aeronautes andecolus) is a species in the genus Aeronautes. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Black-thighed Puffleg

An Andean puffleg hummingbird named for the males' distinctive velvety black thighs contrasting with the characteristic white leg feather puffs, black-thighed pufflegs inhabit humid montane forest and forest edges in Ecuador and Colombia at elevations of 1,500–3,500 meters. Males display glittering green plumage with a violet-blue tail. Listed as Near Threatened due to deforestation of the Andean cloud forest, with populations declining as the specialized high-altitude forest habitat is cleared for agriculture.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway