Central Andes Oldfield Mouse vs Common Milkwort

Thomasomys contradictus compared with Polygala vulgaris

Key Differences

• Central Andes Oldfield Mouse is Data Deficient while Common Milkwort is Vulnerable.

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	Common Milkwort
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Rodentia (Rodents)	Fabales (Legumes & Allies)
Family	Cricetidae	Polygalaceae
Genus	Thomasomys	Polygala
Species	Thomasomys contradictus	Polygala vulgaris

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Common Milkwort

VU — Vulnerable

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Common Milkwort
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.

Common Milkwort

Habitat

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

Range

Widely distributed across Europe (6 countries), North America (Canada, United States), and Oceania and the Pacific (Australia). Currently classified as Vulnerable 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.

Common Milkwort

Common Milkwort (<em>Polygala vulgaris</em>) is a small flowering plant in the genus <em>Polygala</em>, family Polygalaceae. It is distributed across Europe, North America, and Oceania, with confirmed presence in countries including Australia, Belgium, Canada, Denmark, and Finland. Typically found in diverse terrestrial habitats ranging from tropical forests to temperate grasslands, this species favors calcareous grasslands, heathlands, and other open, well-drained habitats. Common Milkwort produces small flowers in shades of blue, pink, or white, and is associated with traditional grassland communities. Currently classified as Vulnerable on the IUCN Red List, the species faces significant conservation challenges across its range, likely driven by habitat loss through agricultural intensification and the decline of traditionally managed grasslands. Specific biological measurements such as lifespan, length, and weight are not documented in available records. The genus name <em>Polygala</em> derives from Greek meaning "much milk," reflecting a historical belief that the plant could increase milk production in livestock.