Black-thighed Puffleg vs Buff-tailed Mining Bee

Eriocnemis derbyi compared with Andrena humilis

Key Differences

• Black-thighed Puffleg is Near Threatened while Buff-tailed Mining Bee is Extinct.

Taxonomic Classification

Rank	Black-thighed Puffleg	Buff-tailed Mining Bee
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Aves (Birds)	Insecta (Insects)
Order	Apodiformes (Apodiformes)	Hymenoptera (Ants, Bees & Wasps)
Family	Trochilidae	Andrenidae
Genus	Eriocnemis	Andrena
Species	Eriocnemis derbyi	Andrena humilis

Evolutionary Relationship

Black-thighed Puffleg and Buff-tailed Mining Bee share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Black-thighed Puffleg

NT — Near Threatened

Buff-tailed Mining Bee

EX — Extinct

Physical Characteristics

Attribute	Black-thighed Puffleg	Buff-tailed Mining Bee
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.

Buff-tailed Mining Bee

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Luxembourg, 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.

Buff-tailed Mining Bee

The Buff-Tailed Mining Bee (Andrena humilis) is a species in the genus Andrena. It is currently classified as Extinct 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