Dark Roller vs Delicate Pygmy Rice Rat

Ancylis upupana compared with Oligoryzomys delicatus

Key Differences

• Dark Roller is Near Threatened while Delicate Pygmy Rice Rat is Data Deficient.

Taxonomic Classification

Rank	Dark Roller	Delicate Pygmy Rice Rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Rodentia (Rodents)
Family	Tortricidae	Cricetidae
Genus	Ancylis	Oligoryzomys
Species	Ancylis upupana	Oligoryzomys delicatus

Evolutionary Relationship

Dark Roller and Delicate Pygmy Rice Rat share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Dark Roller

NT — Near Threatened

Delicate Pygmy Rice Rat

DD — Data Deficient

Physical Characteristics

Attribute	Dark Roller	Delicate Pygmy Rice Rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dark Roller

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.

Delicate Pygmy Rice Rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.