Black Tooth vs Long-tailed Ground Squirrel

Phellodon niger compared with Urocitellus undulatus

Key Differences

• Black Tooth is Critically Endangered while Long-tailed Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	Black Tooth	Long-tailed Ground 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	Urocitellus
Species	Phellodon niger	Urocitellus undulatus

Conservation Status

Black Tooth

CR — Critically Endangered

Long-tailed Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Black Tooth	Long-tailed Ground 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.

Long-tailed Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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.