Cinnamon-colored Thomasomys vs Ring-necked Duck

Thomasomys cinnameus compared with Aythya collaris

Taxonomic Classification

Rank	Cinnamon-colored Thomasomys	Ring-necked 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 cinnameus	Aythya collaris

Evolutionary Relationship

Cinnamon-colored Thomasomys and Ring-necked Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Cinnamon-colored Thomasomys

LC — Least Concern

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Cinnamon-colored Thomasomys	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Cinnamon-colored Thomasomys

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia and Ecuador.

Ring-necked Duck

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Cinnamon-colored Thomasomys

The Cinnamon-colored Thomasomys (Thomasomys cinnameus) is a species in the genus Thomasomys. It is currently classified as Least Concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

Ring-necked Duck

Ring-necked Duck (Aythya collaris) 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 2 countries:

🇨🇴 Colombia 🇪🇨 Ecuador