Base-spotted Pigmy vs Long-tailed Ground Squirrel

Stigmella basiguttella compared with Urocitellus undulatus

Key Differences

• Base-spotted Pigmy is Near Threatened while Long-tailed Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	Base-spotted Pigmy	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	Nepticulidae	Sciuridae (Squirrels)
Genus	Stigmella	Urocitellus
Species	Stigmella basiguttella	Urocitellus undulatus

Evolutionary Relationship

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

Conservation Status

Base-spotted Pigmy

NT — Near Threatened

Long-tailed Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Base-spotted Pigmy	Long-tailed Ground Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Base-spotted Pigmy

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Long-tailed Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Base-spotted Pigmy

The Base-spotted Pigmy (Stigmella basiguttella) is a species in the genus Stigmella. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.