Big-eared Hopping Mouse vs Black-thighed Puffleg

Notomys macrotis compared with Eriocnemis derbyi

Key Differences

• Big-eared Hopping Mouse is Extinct while Black-thighed Puffleg is Near Threatened.

Taxonomic Classification

Rank	Big-eared Hopping Mouse	Black-thighed Puffleg
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Apodiformes (Apodiformes)
Family	Muridae (Mice & Rats)	Trochilidae
Genus	Notomys	Eriocnemis
Species	Notomys macrotis	Eriocnemis derbyi

Evolutionary Relationship

Big-eared Hopping Mouse and Black-thighed Puffleg share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Big-eared Hopping Mouse

EX — Extinct

Black-thighed Puffleg

NT — Near Threatened

Physical Characteristics

Attribute	Big-eared Hopping Mouse	Black-thighed Puffleg
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Big-eared Hopping Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.

Big-eared Hopping Mouse

The Big-eared Hopping Mouse (Notomys macrotis) is a species in the genus Notomys. It is currently classified as Extinct on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.