Delicate Pygmy Rice Rat vs Dwarf round ray

Oligoryzomys delicatus compared with Urotrygon nana

Key Differences

• Delicate Pygmy Rice Rat is Data Deficient while Dwarf round ray is Near Threatened.

Taxonomic Classification

Rank	Delicate Pygmy Rice Rat	Dwarf round ray
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Elasmobranchii
Order	Rodentia (Rodents)	Myliobatiformes (Myliobatiformes)
Family	Cricetidae	Urotrygonidae
Genus	Oligoryzomys	Urotrygon
Species	Oligoryzomys delicatus	Urotrygon nana

Evolutionary Relationship

Delicate Pygmy Rice Rat and Dwarf round ray share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Delicate Pygmy Rice Rat

DD — Data Deficient

Dwarf round ray

NT — Near Threatened

Physical Characteristics

Attribute	Delicate Pygmy Rice Rat	Dwarf round ray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Delicate Pygmy Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Dwarf round ray