Dark Dwarf vs Long-tailed Ground Squirrel

Elachista subnigrella compared with Urocitellus undulatus

Key Differences

• Dark Dwarf is Vulnerable while Long-tailed Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	Dark Dwarf	Long-tailed Ground Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Elachistidae	Sciuridae (Squirrels)
Genus	Elachista	Urocitellus
Species	Elachista subnigrella	Urocitellus undulatus

Evolutionary Relationship

Dark Dwarf and Long-tailed Ground Squirrel share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Dark Dwarf

VU — Vulnerable

Long-tailed Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Dark Dwarf	Long-tailed Ground Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dark Dwarf

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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