Central Andes Oldfield Mouse vs Pacific Spiny-rat

Thomasomys contradictus compared with Proechimys decumanus

Key Differences

• Central Andes Oldfield Mouse is Data Deficient while Pacific Spiny-rat is Near Threatened.

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	Pacific Spiny-rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Rodentia (Rodents)	Rodentia (Rodents)
Family	Cricetidae	Echimyidae
Genus	Thomasomys	Proechimys
Species	Thomasomys contradictus	Proechimys decumanus

Evolutionary Relationship

Central Andes Oldfield Mouse and Pacific Spiny-rat share a common ancestor at the Order level: Rodentia. (Rodents)

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Pacific Spiny-rat

NT — Near Threatened

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Pacific Spiny-rat
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.

Pacific Spiny-rat

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Ecuador. 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.