Central Andes Oldfield Mouse vs Redhead

Thomasomys contradictus compared with Aythya americana

Key Differences

• Central Andes Oldfield Mouse is Data Deficient while Redhead is Not Evaluated.

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	Redhead
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Rodentia (Rodents)	Anseriformes (Anseriformes)
Family	Cricetidae	Anatidae
Genus	Thomasomys	Aythya
Species	Thomasomys contradictus	Aythya americana

Evolutionary Relationship

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

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Redhead

NE — Not Evaluated

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Redhead
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.

Redhead

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found across Europe (7 countries) and North America (United States).

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.

Redhead

Redhead (Aythya americana) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.