Colombian Oldfield Mouse vs red kangaroo

Thomasomys dispar compared with Macropus rufus

Key Differences

• Colombian Oldfield Mouse is Data Deficient while red kangaroo is Least Concern.

Taxonomic Classification

Rank	Colombian Oldfield Mouse	red kangaroo
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Rodentia (Rodents)	Diprotodontia (Marsupials)
Family	Cricetidae	Macropodidae (Kangaroos)
Genus	Thomasomys	Macropus (Kangaroos)
Species	Thomasomys dispar	Macropus rufus

Evolutionary Relationship

Colombian Oldfield Mouse and red kangaroo share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Colombian Oldfield Mouse

DD — Data Deficient

red kangaroo

LC — Least Concern

Population: ~11.5M

Trend: Stable →

Physical Characteristics

Attribute	Colombian Oldfield Mouse	red kangaroo
Diet	—	Herbivore
Average Lifespan	—	16 years
Average Length	—	1.6 m
Average Weight	—	85.0 kg

Habitat & Geographic Range

Colombian Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

red kangaroo

Habitat

Typically found in grasslands, forests, and vegetated habitats.

Range

Found in Australia.

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.

red kangaroo

The largest kangaroo and largest marsupial on Earth, red kangaroos can stand 2 meters tall and weigh 90 kg, inhabiting the arid and semi-arid regions of inland Australia. Highly adapted to harsh desert conditions, they can survive without drinking water for long periods by extracting moisture from vegetation. Powerful hind legs enable 9-meter leaps and speeds up to 70 km/h. Males engage in ritualistic boxing contests to compete for females.