Mentawai Squirrel vs Scaly Stalkball

Callosciurus melanogaster compared with Tulostoma melanocyclum

Key Differences

• Mentawai Squirrel is Vulnerable while Scaly Stalkball is Critically Endangered.

Taxonomic Classification

Rank	Mentawai Squirrel	Scaly Stalkball
Kingdom	Animalia (Animals)	Fungi (Fungi)
Phylum	Chordata (Chordates)	Basidiomycota (Club Fungi)
Class	Mammalia (Mammals)	Agaricomycetes (Mushrooms)
Order	Rodentia (Rodents)	Agaricales (Gilled Mushrooms)
Family	Sciuridae (Squirrels)	Agaricaceae (Agarics)
Genus	Callosciurus	Tulostoma
Species	Callosciurus melanogaster	Tulostoma melanocyclum

Conservation Status

Mentawai Squirrel

VU — Vulnerable

Scaly Stalkball

CR — Critically Endangered

Physical Characteristics

Attribute	Mentawai Squirrel	Scaly Stalkball
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Mentawai Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Scaly Stalkball

Habitat

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

Range

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