European Ground Squirrel vs

Spermophilus citellus compared with Trichormus variabilis

Key Differences

• European Ground Squirrel is Endangered while is Not Evaluated.

Taxonomic Classification

Rank	European Ground Squirrel
Kingdom	Animalia (Animals)	Bacteria (Bacteria)
Phylum	Chordata (Chordates)	Cyanobacteria (Cyanobacteria)
Class	Mammalia (Mammals)	Cyanobacteriia
Order	Rodentia (Rodents)	Cyanobacteriales
Family	Sciuridae (Squirrels)	Nostocaceae
Genus	Spermophilus	Trichormus
Species	Spermophilus citellus	Trichormus variabilis

Conservation Status

European Ground Squirrel

EN — Endangered

NE — Not Evaluated

Physical Characteristics

Attribute	European Ground Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

European Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ukraine. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden.

Trichormus variabilis is a filamentous, nitrogen-fixing cyanobacterium in the family Nostocaceae. It forms heterocysts — specialized nitrogen-fixing cells — within its trichomes and is found in freshwater, soil, and symbiotic associations. Its conservation status is not evaluated.