Black-breasted Puffleg vs Pallas's squirrel, Red-bellied tree squirrel

Eriocnemis nigrivestis compared with Callosciurus erythraeus

Key Differences

• Black-breasted Puffleg is Endangered while Pallas's squirrel, Red-bellied tree squirrel is Not Evaluated.

Taxonomic Classification

Rank	Black-breasted Puffleg	Pallas's squirrel, Red-bellied tree squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Apodiformes (Apodiformes)	Rodentia (Rodents)
Family	Trochilidae	Sciuridae (Squirrels)
Genus	Eriocnemis	Callosciurus
Species	Eriocnemis nigrivestis	Callosciurus erythraeus

Evolutionary Relationship

Black-breasted Puffleg and Pallas's squirrel, Red-bellied tree squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Black-breasted Puffleg

EN — Endangered

Pallas's squirrel, Red-bellied tree squirrel

NE — Not Evaluated

Physical Characteristics

Attribute	Black-breasted Puffleg	Pallas's squirrel, Red-bellied tree squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-breasted Puffleg

Habitat

Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Range

Distributed across Ecuador and Norway. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Pallas's squirrel, Red-bellied tree squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (China, Japan), Europe (8 countries), and South America (Argentina).

Black-breasted Puffleg

The Black-breasted Puffleg (Eriocnemis nigrivestis) is a species in the genus Eriocnemis. It is currently classified as Endangered on the IUCN Red List. Found across multiple habitat types including tropical and subtropical dry broadleaf forests, flooded grasslands and savannas, and montane grasslands and shrublands, among 4 distinct biome types within the Neotropic biogeographic realm.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway