Dwarf round ray vs Lesser Yellow-shouldered Bat

Urotrygon nana compared with Sturnira nana

Key Differences

• Dwarf round ray is Near Threatened while Lesser Yellow-shouldered Bat is Endangered.

Taxonomic Classification

Rank	Dwarf round ray	Lesser Yellow-shouldered Bat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Elasmobranchii	Mammalia (Mammals)
Order	Myliobatiformes (Myliobatiformes)	Chiroptera (Bats)
Family	Urotrygonidae	Phyllostomidae
Genus	Urotrygon	Sturnira
Species	Urotrygon nana	Sturnira nana

Evolutionary Relationship

Dwarf round ray and Lesser Yellow-shouldered Bat share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Dwarf round ray

NT — Near Threatened

Lesser Yellow-shouldered Bat

EN — Endangered

Physical Characteristics

Attribute	Dwarf round ray	Lesser Yellow-shouldered Bat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dwarf round ray

Lesser Yellow-shouldered Bat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

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