vs Pallas's squirrel, Red-bellied tree squirrel

Hydnellum compactum compared with Callosciurus erythraeus

Key Differences

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

Taxonomic Classification

Rank		Pallas's squirrel, Red-bellied tree squirrel
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Thelephorales (Thelephorales)	Rodentia (Rodents)
Family	Bankeraceae	Sciuridae (Squirrels)
Genus	Hydnellum	Callosciurus
Species	Hydnellum compactum	Callosciurus erythraeus

Conservation Status

VU — Vulnerable

Pallas's squirrel, Red-bellied tree squirrel

NE — Not Evaluated

Physical Characteristics

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

Habitat & Geographic Range

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Distributed across Belgium, Norway, and Sweden. Currently classified as Vulnerable 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).

Hydnellum compactum is a stipitate, tooth fungus with a compact, brownish-orange to rusty-brown cap surface covered in spines on the underside. It grows on the forest floor in coniferous forests across Europe and parts of North America, forming ectomycorrhizal associations with trees. This fungus obtains nutrients by forming mutualistic partnerships with the roots of pine, spruce, and fir trees.

Shared Countries

Both species can be found in 3 countries:

🇧🇪 Belgium 🇳🇴 Norway 🇸🇪 Sweden