Norway lemming vs Pallas's squirrel, Red-bellied tree squirrel

Lemmus lemmus compared with Callosciurus erythraeus

Key Differences

• Norway lemming is Least Concern while Pallas's squirrel, Red-bellied tree squirrel is Not Evaluated.

Taxonomic Classification

Rank	Norway lemming	Pallas's squirrel, Red-bellied tree squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Cricetidae	Sciuridae (Squirrels)
Genus	Lemmus	Callosciurus
Species	Lemmus lemmus	Callosciurus erythraeus

Evolutionary Relationship

Norway lemming and Pallas's squirrel, Red-bellied tree squirrel share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Norway lemming

LC — Least Concern

Pallas's squirrel, Red-bellied tree squirrel

NE — Not Evaluated

Physical Characteristics

Attribute	Norway lemming	Pallas's squirrel, Red-bellied tree squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Norway lemming

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Norway and Sweden.

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).

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden