Central Andes Oldfield Mouse vs Ferruginous Duck

Thomasomys contradictus compared with Aythya nyroca

Key Differences

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

Taxonomic Classification

Rank	Central Andes Oldfield Mouse	Ferruginous Duck
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 nyroca

Evolutionary Relationship

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

Conservation Status

Central Andes Oldfield Mouse

DD — Data Deficient

Ferruginous Duck

NE — Not Evaluated

Physical Characteristics

Attribute	Central Andes Oldfield Mouse	Ferruginous Duck
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.

Ferruginous Duck

Habitat

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

Range

Found across Asia (Taiwan) and Europe (8 countries).

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.

Ferruginous Duck

Ferruginous Duck (Aythya nyroca) 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.