Central Andes Oldfield Mouse vs Yellowhammer

Thomasomys contradictus compared with Emberiza citrinella

Key Differences

• Central Andes Oldfield Mouse is Data Deficient while Yellowhammer is Near Threatened.

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	Yellowhammer
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Passeriformes (Songbirds)
Family	Cricetidae	Emberizidae
Genus	Thomasomys	Emberiza
Species	Thomasomys contradictus	Emberiza citrinella

Evolutionary Relationship

Central Andes Oldfield Mouse and Yellowhammer share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Yellowhammer

NT — Near Threatened

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Yellowhammer
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.

Yellowhammer

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, tundra, and tropical and subtropical moist broadleaf forests spanning the Australasia and Oceanian realms.

Range

Found across Europe (5 countries) and Oceania and the Pacific (New Zealand). 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.

Yellowhammer

Yellowhammer (Emberiza citrinella) is classified as Near Threatened (NT) on the IUCN Red List. Close to qualifying as threatened, with populations that may become vulnerable without conservation action.