Central Andes Oldfield Mouse vs Ray's Knotgrass

Thomasomys contradictus compared with Polygonum oxyspermum

Key Differences

• Central Andes Oldfield Mouse is Data Deficient while Ray's Knotgrass is Endangered.

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	Ray's Knotgrass
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Caryophyllales (Caryophyllales)
Family	Cricetidae	Polygonaceae
Genus	Thomasomys	Polygonum
Species	Thomasomys contradictus	Polygonum oxyspermum

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Ray's Knotgrass

EN — Endangered

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Ray's Knotgrass
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.

Ray's Knotgrass

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.