Black-thighed Puffleg vs Blue-Spotted Salamander

Eriocnemis derbyi compared with Ambystoma laterale

Key Differences

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

Taxonomic Classification

Rank	Black-thighed Puffleg	Blue-Spotted Salamander
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Amphibia (Amphibians)
Order	Apodiformes (Apodiformes)	Caudata (Caudata)
Family	Trochilidae	Ambystomatidae
Genus	Eriocnemis	Ambystoma
Species	Eriocnemis derbyi	Ambystoma laterale

Evolutionary Relationship

Black-thighed Puffleg and Blue-Spotted Salamander share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-thighed Puffleg

NT — Near Threatened

Blue-Spotted Salamander

LC — Least Concern

Physical Characteristics

Attribute	Black-thighed Puffleg	Blue-Spotted Salamander
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.

Blue-Spotted Salamander

Habitat

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

Range

Found in United States.

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.

Blue-Spotted Salamander

The Blue-Spotted Salamander (Ambystoma laterale) is a species in the genus Ambystoma. It is currently classified as Least Concern on the IUCN Red List. Typically found in freshwater habitats, moist forests, and wetlands.