Alpine Shrew vs Black-thighed Puffleg

Sorex alpinus compared with Eriocnemis derbyi

Taxonomic Classification

Rank	Alpine Shrew	Black-thighed Puffleg
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Soricomorpha (Soricomorpha)	Apodiformes (Apodiformes)
Family	Soricidae	Trochilidae
Genus	Sorex	Eriocnemis
Species	Sorex alpinus	Eriocnemis derbyi

Evolutionary Relationship

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

Conservation Status

Alpine Shrew

NT — Near Threatened

Black-thighed Puffleg

NT — Near Threatened

Physical Characteristics

Attribute	Alpine Shrew	Black-thighed Puffleg
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Alpine Shrew

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ukraine. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Alpine Shrew

The Alpine Shrew (Sorex alpinus) is a species in the genus Sorex. It is currently classified as Near Threatened on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems. Found in Ukraine. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.