Central Andes Oldfield Mouse vs Fen Roller

Thomasomys contradictus compared with Ancylis paludana

Key Differences

• Central Andes Oldfield Mouse is Data Deficient while Fen Roller is Near Threatened.

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	Fen Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Rodentia (Rodents)	Lepidoptera (Butterflies & Moths)
Family	Cricetidae	Tortricidae
Genus	Thomasomys	Ancylis
Species	Thomasomys contradictus	Ancylis paludana

Evolutionary Relationship

Central Andes Oldfield Mouse and Fen Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Fen Roller

NT — Near Threatened

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Fen Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Central Andes Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Fen Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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

Central Andes Oldfield Mouse

The Central Andes Oldfield Mouse (Thomasomys contradictus) is a species in the genus Thomasomys. It is currently classified as Data Deficient on the IUCN Red List. Found in Colombia.