Niceforo Maria’s Oldfield Mouse vs Ruddy Duck

Thomasomys nicefori compared with Oxyura jamaicensis

Taxonomic Classification

Rank	Niceforo Maria’s Oldfield Mouse	Ruddy 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	Oxyura
Species	Thomasomys nicefori	Oxyura jamaicensis

Evolutionary Relationship

Niceforo Maria’s Oldfield Mouse and Ruddy Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Niceforo Maria’s Oldfield Mouse

LC — Least Concern

Ruddy Duck

LC — Least Concern

Physical Characteristics

Attribute	Niceforo Maria’s Oldfield Mouse	Ruddy Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Niceforo Maria’s Oldfield Mouse

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Colombia.

Ruddy Duck

Habitat

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

Range

Widely distributed across Africa (Algeria, Tunisia), Asia (Azerbaijan, Israel, Turkey), Europe (19 countries), North America (United States), and South America (Colombia, Ecuador).

Ruddy Duck

Ruddy Duck (Oxyura jamaicensis) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.

Shared Countries

Both species can be found in 1 countries:

🇨🇴 Colombia