Black-thighed Puffleg vs Spotted Sandpiper

Eriocnemis derbyi compared with Actitis macularius

Key Differences

• Black-thighed Puffleg is Near Threatened while Spotted Sandpiper is Least Concern.

Taxonomic Classification

Rank	Black-thighed Puffleg	Spotted Sandpiper
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Apodiformes (Apodiformes)	Charadriiformes (Charadriiformes)
Family	Trochilidae	Scolopacidae
Genus	Eriocnemis	Actitis
Species	Eriocnemis derbyi	Actitis macularius

Evolutionary Relationship

Black-thighed Puffleg and Spotted Sandpiper share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Black-thighed Puffleg

NT — Near Threatened

Spotted Sandpiper

LC — Least Concern

Physical Characteristics

Attribute	Black-thighed Puffleg	Spotted Sandpiper
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.

Spotted Sandpiper

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

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.

Spotted Sandpiper

Spotted Sandpiper (Actitis macularius) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway