Dwarf round ray vs Little Ground Squirrel

Urotrygon nana compared with Spermophilus pygmaeus

Key Differences

• Dwarf round ray is Near Threatened while Little Ground Squirrel is Least Concern.

Taxonomic Classification

Rank	Dwarf round ray	Little Ground Squirrel
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Rodentia (Rodents)
Family	Urotrygonidae	Sciuridae (Squirrels)
Genus	Urotrygon	Spermophilus
Species	Urotrygon nana	Spermophilus pygmaeus

Evolutionary Relationship

Dwarf round ray and Little Ground Squirrel share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Little Ground Squirrel

LC — Least Concern

Physical Characteristics

Attribute	Dwarf round ray	Little Ground Squirrel
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Little Ground Squirrel

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Russia and Ukraine.