Aracá Uakari vs Ring-necked Duck

Cacajao ayresi compared with Aythya collaris

Taxonomic Classification

Rank	Aracá Uakari	Ring-necked Duck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Anseriformes (Anseriformes)
Family	Pitheciidae	Anatidae
Genus	Cacajao	Aythya
Species	Cacajao ayresi	Aythya collaris

Evolutionary Relationship

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

Conservation Status

Aracá Uakari

LC — Least Concern

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Aracá Uakari	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Aracá Uakari

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).

Aracá Uakari

The Aracá Uakari (Cacajao ayresi) is a species in the genus Cacajao. 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.