Black Tooth vs Japanese Squirrel

Phellodon niger compared with Sciurus lis

Key Differences

Black Tooth is Critically Endangered while Japanese Squirrel is Least Concern.

Taxonomic Classification

Rank	Black Tooth	Japanese Squirrel
Kingdom	Fungi (Fungi)	Animalia (Animals)
Phylum	Basidiomycota (Club Fungi)	Chordata (Chordates)
Class	Agaricomycetes (Mushrooms)	Mammalia (Mammals)
Order	Thelephorales (Thelephorales)	Rodentia (Rodents)
Family	Thelephoraceae	Sciuridae (Squirrels)
Genus	Phellodon	Sciurus (Tree Squirrels)
Species	Phellodon niger	Sciurus lis

Conservation Status

Black Tooth

CR — Critically Endangered

Japanese Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Black Tooth	Japanese Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black Tooth

Habitat

Inhabits temperate broadleaf and mixed forests within the Palearctic biogeographic realm.

Range

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

Japanese Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Belgium, France, Netherlands, and United Kingdom.

Black Tooth

The Black Tooth (Phellodon niger) is a species in the genus Phellodon. It is currently classified as Critically Endangered on the IUCN Red List. Distributed across Belgium, Denmark, Norway, Sweden, and United States. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.