Formosan rock macaque vs Ring-necked Duck

Macaca cyclopis compared with Aythya collaris

Taxonomic Classification

Rank	Formosan rock macaque	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	Cercopithecidae (Old World Monkeys)	Anatidae
Genus	Macaca	Aythya
Species	Macaca cyclopis	Aythya collaris

Evolutionary Relationship

Formosan rock macaque and Ring-necked Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Formosan rock macaque

LC — Least Concern

Ring-necked Duck

LC — Least Concern

Physical Characteristics

Attribute	Formosan rock macaque	Ring-necked Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Formosan rock macaque

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Japan and Taiwan.

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.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan