Black-thighed Puffleg vs Bridge Roller

Eriocnemis derbyi compared with Ancylis uncella

Key Differences

• Black-thighed Puffleg is Near Threatened while Bridge Roller is Least Concern.

Taxonomic Classification

Rank	Black-thighed Puffleg	Bridge Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Apodiformes (Apodiformes)	Lepidoptera (Butterflies & Moths)
Family	Trochilidae	Tortricidae
Genus	Eriocnemis	Ancylis
Species	Eriocnemis derbyi	Ancylis uncella

Evolutionary Relationship

Black-thighed Puffleg and Bridge Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-thighed Puffleg

NT — Near Threatened

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Black-thighed Puffleg	Bridge Roller
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.

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. It is currently classified as Least Concern on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway