Black-thighed Puffleg vs Brown weeper capuchin

Eriocnemis derbyi compared with Cebus brunneus

Key Differences

• Black-thighed Puffleg is Near Threatened while Brown weeper capuchin is Endangered.

Taxonomic Classification

Rank	Black-thighed Puffleg	Brown weeper capuchin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Apodiformes (Apodiformes)	Primates (Primates)
Family	Trochilidae	Cebidae
Genus	Eriocnemis	Cebus
Species	Eriocnemis derbyi	Cebus brunneus

Evolutionary Relationship

Black-thighed Puffleg and Brown weeper capuchin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-thighed Puffleg

NT — Near Threatened

Brown weeper capuchin

EN — Endangered

Physical Characteristics

Attribute	Black-thighed Puffleg	Brown weeper capuchin
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.

Brown weeper capuchin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Venezuela. Currently classified as Endangered 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.

Brown weeper capuchin

The Brown Weeper Capuchin (Cebus brunneus) is a species in the genus Cebus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.