Ouistiti a queue noire vs Ring-necked Duck

Mico melanurus compared with Aythya collaris

Key Differences

• Ouistiti a queue noire is Near Threatened while Ring-necked Duck is Least Concern.

Taxonomic Classification

Rank	Ouistiti a queue noire	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	Callitrichidae	Anatidae
Genus	Mico	Aythya
Species	Mico melanurus	Aythya collaris

Evolutionary Relationship

Ouistiti a queue noire and Ring-necked Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Ouistiti a queue noire

NT — Near Threatened

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Ouistiti a queue noire	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Ouistiti a queue noire

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).

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.