Black-thighed Puffleg vs Cape Verde Swamp Warbler

Eriocnemis derbyi compared with Acrocephalus brevipennis

Key Differences

• Black-thighed Puffleg is Near Threatened while Cape Verde Swamp Warbler is Vulnerable.

Taxonomic Classification

Rank	Black-thighed Puffleg	Cape Verde Swamp Warbler
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Apodiformes (Apodiformes)	Passeriformes (Songbirds)
Family	Trochilidae	Acrocephalidae
Genus	Eriocnemis	Acrocephalus
Species	Eriocnemis derbyi	Acrocephalus brevipennis

Evolutionary Relationship

Black-thighed Puffleg and Cape Verde Swamp Warbler share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Black-thighed Puffleg

NT — Near Threatened

Cape Verde Swamp Warbler

VU — Vulnerable

Physical Characteristics

Attribute	Black-thighed Puffleg	Cape Verde Swamp Warbler
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Cape Verde Swamp Warbler

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.

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.

Cape Verde Swamp Warbler

The Cape Verde Swamp Warbler (Acrocephalus brevipennis) is a species in the genus Acrocephalus. It is currently classified as Vulnerable (VU) on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway