Érione de Derby vs Large False Serotine

Eriocnemis derbyi compared with Hesperoptenus tomesi

Key Differences

• Érione de Derby is Near Threatened while Large False Serotine is Vulnerable.

Taxonomic Classification

Rank	Érione de Derby	Large False Serotine
Kingdom same	Animalia (animal)	Animalia (animal)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (oiseau)	Mammalia (mammifères)
Order	Apodiformes (Apodiformes)	Chiroptera (Bats)
Family	Trochilidae	Vespertilionidae
Genus	Eriocnemis	Hesperoptenus
Species	Eriocnemis derbyi	Hesperoptenus tomesi

Evolutionary Relationship

Érione de Derby and Large False Serotine share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Érione de Derby

NT — Near Threatened

Large False Serotine

VU — Vulnerable

Physical Characteristics

Attribute	Érione de Derby	Large False Serotine
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Érione de Derby

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.

Large False Serotine

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Érione de Derby

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.