Chacoan Mara vs Ring-necked Duck

Dolichotis salinicola compared with Aythya collaris

Taxonomic Classification

Rank	Chacoan Mara	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	Caviidae	Anatidae
Genus	Dolichotis	Aythya
Species	Dolichotis salinicola	Aythya collaris

Evolutionary Relationship

Chacoan Mara and Ring-necked Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Chacoan Mara

LC — Least Concern

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Chacoan Mara	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Chacoan Mara

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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).

Chacoan Mara

The Chacoan Mara (Dolichotis salinicola) is a species in the genus Dolichotis. It is currently classified as Least Concern on the IUCN Red List.

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.