Black-breasted Puffleg vs Black-thighed Puffleg

Eriocnemis nigrivestis compared with Eriocnemis derbyi

Key Differences

• Black-breasted Puffleg is Endangered while Black-thighed Puffleg is Near Threatened.

Taxonomic Classification

Rank	Black-breasted Puffleg	Black-thighed Puffleg
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Aves (새)	Aves (새)
Order same	Apodiformes (칼새목)	Apodiformes (칼새목)
Family same	Trochilidae	Trochilidae
Genus same	Eriocnemis	Eriocnemis
Species	Eriocnemis nigrivestis	Eriocnemis derbyi

Evolutionary Relationship

Black-breasted Puffleg and Black-thighed Puffleg share a common ancestor at the Genus level: Eriocnemis.

Conservation Status

Black-breasted Puffleg

EN — Endangered

Black-thighed Puffleg

NT — Near Threatened

Physical Characteristics

Attribute	Black-breasted Puffleg	Black-thighed Puffleg
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-breasted Puffleg

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Ecuador and Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its 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.

Black-breasted Puffleg

The Black-breasted Puffleg (Eriocnemis nigrivestis) is a species in the genus Eriocnemis. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Black-thighed Puffleg

검은넓적다리털다리벌새(Eriocnemis derbyi)는 수컷의 특징적인 흑색 허벅지가 흰 다리털 장식과 대비되어 이름이 붙은 안데스 지역 벌새입니다. 해발 1,500~3,500m의 에콰도르와 콜롬비아 운무림과 숲 가장자리에 서식합니다. 수컷은 남빛 보라색 꼬리를 가진 반짝이는 녹색 깃털을 보여줍니다. 고지대 운무림이 농업으로 개간되면서 개체수가 감소하고 있어 준위협종(NT)으로 분류됩니다.

Shared Countries

Both species can be found in 2 countries:

🇪🇨 Ecuador 🇳🇴 Norway