Olive-gray Thomasomys vs Pallas's squirrel, Red-bellied tree squirrel

Thomasomys cinereus compared with Callosciurus erythraeus

Key Differences

• Olive-gray Thomasomys is Least Concern while Pallas's squirrel, Red-bellied tree squirrel is Not Evaluated.

Taxonomic Classification

Rank	Olive-gray Thomasomys	Pallas's squirrel, Red-bellied tree squirrel
Kingdom same	Animalia (动物界)	Animalia (动物界)
Phylum same	Chordata (脊索动物门)	Chordata (脊索动物门)
Class same	Mammalia (哺乳動物)	Mammalia (哺乳動物)
Order same	Rodentia (啮齿目)	Rodentia (啮齿目)
Family	Cricetidae	Sciuridae (Squirrels)
Genus	Thomasomys	Callosciurus
Species	Thomasomys cinereus	Callosciurus erythraeus

Evolutionary Relationship

Olive-gray Thomasomys and Pallas's squirrel, Red-bellied tree squirrel share a common ancestor at the Order level: Rodentia. (啮齿目)

Conservation Status

Olive-gray Thomasomys

LC — Least Concern

Pallas's squirrel, Red-bellied tree squirrel

NE — Not Evaluated

Physical Characteristics

Attribute	Olive-gray Thomasomys	Pallas's squirrel, Red-bellied tree squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Olive-gray Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador.

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).