Colombian Oldfield Mouse vs Golden-rumped elephant shrew

Thomasomys dispar compared with Rhynchocyon chrysopygus

Key Differences

• Colombian Oldfield Mouse is Data Deficient while Golden-rumped elephant shrew is Endangered.

Taxonomic Classification

Rank	Colombian Oldfield Mouse	Golden-rumped elephant shrew
Kingdom same	Animalia (동물)	Animalia (동물)
Phylum same	Chordata (척삭동물)	Chordata (척삭동물)
Class same	Mammalia (포유류)	Mammalia (포유류)
Order	Rodentia (설치류)	Macroscelidea (코끼리땃쥐)
Family	Cricetidae	Macroscelididae
Genus	Thomasomys	Rhynchocyon
Species	Thomasomys dispar	Rhynchocyon chrysopygus

Evolutionary Relationship

Colombian Oldfield Mouse and Golden-rumped elephant shrew share a common ancestor at the Class level: Mammalia. (포유류)

Conservation Status

Colombian Oldfield Mouse

DD — Data Deficient

Golden-rumped elephant shrew

EN — Endangered

Physical Characteristics

Attribute	Colombian Oldfield Mouse	Golden-rumped elephant shrew
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Colombian Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Golden-rumped elephant shrew

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical grasslands and savannas, and flooded grasslands and savannas, among 5 distinct biome types within the Afrotropic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Kenya. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Colombian Oldfield Mouse

<em>Thomasomys dispar</em>, commonly known as the Colombian Oldfield Mouse, is a small rodent species belonging to the genus <em>Thomasomys</em> within the family Cricetidae. This species is classified as Data Deficient, indicating that insufficient information is currently available to evaluate its conservation status with confidence. It has been documented in Colombia, where it inhabits diverse terrestrial and aquatic-adjacent environments. Members of the genus <em>Thomasomys</em> are typically associated with high-altitude Andean habitats, including páramo grasslands, shrublands, and montane forest edges, where they occupy ground-level microhabitats and burrow in soft soils. These mice are generally omnivorous, consuming seeds, plant material, and invertebrates, though specific dietary data for <em>Thomasomys dispar</em> have not been recorded. Biological traits of this species remain poorly documented in the scientific literature. The Data Deficient classification highlights the need for targeted surveys in Colombian Andean regions to determine population size, distribution, and the ecological requirements of this poorly known rodent.