Black-thighed Puffleg vs Cascade Frog

Eriocnemis derbyi compared with Amolops monticola

Key Differences

Black-thighed Puffleg is Near Threatened while Cascade Frog is Least Concern.

Taxonomic Classification

Rank	Black-thighed Puffleg	Cascade Frog
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Amphibia (Amphibians)
Order	Apodiformes (Apodiformes)	Anura (Frogs & Toads)
Family	Trochilidae	Ranidae
Genus	Eriocnemis	Amolops
Species	Eriocnemis derbyi	Amolops monticola

Evolutionary Relationship

Black-thighed Puffleg and Cascade Frog share a common ancestor at the Phylum level: Chordata. (Chordates)

View Phylum: Chordata

Conservation Status

Black-thighed Puffleg

NT — Near Threatened

Cascade Frog

LC — Least Concern

Physical Characteristics

Attribute	Black-thighed Puffleg	Cascade Frog
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.

Cascade Frog

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

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.

Cascade Frog

The Cascade Frog (Amolops monticola) is a species in the genus Amolops. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.