Pallas's squirrel, Red-bellied tree squirrel vs

Callosciurus erythraeus compared with Pyrenula nitida

Key Differences

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

Taxonomic Classification

Rank	Pallas's squirrel, Red-bellied tree squirrel
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Ascomycota (Sac Fungi)
Class	Mammalia (Mammals)	Eurotiomycetes (Eurotiomycetes)
Order	Rodentia (Rodents)	Pyrenulales (Pyrenulales)
Family	Sciuridae (Squirrels)	Pyrenulaceae
Genus	Callosciurus	Pyrenula
Species	Callosciurus erythraeus	Pyrenula nitida

Conservation Status

Pallas's squirrel, Red-bellied tree squirrel

NE — Not Evaluated

EN — Endangered

Physical Characteristics

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

Habitat & Geographic 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).

Habitat

Native to Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, Portugal, Sweden, and United States. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Pyrenula nitida is a corticolous crustose lichen producing a smooth, glossy olive-green to brown thallus with embedded, flask-shaped perithecia on smooth bark of ancient broadleaf trees in humid Atlantic woodland. It is considered a flagship indicator species for long-continuity, old-growth woodland in western Europe. Endangered, this lichen is severely threatened by the loss of veteran trees and ancient woodland habitats.

Shared Countries

Both species can be found in 3 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden