Formosan rock macaque vs Lesser Scaup

Macaca cyclopis compared with Aythya affinis

Taxonomic Classification

Rank	Formosan rock macaque	Lesser Scaup
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 affinis

Evolutionary Relationship

Formosan rock macaque and Lesser Scaup share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Formosan rock macaque

LC — Least Concern

Lesser Scaup

LC — Least Concern

Physical Characteristics

Attribute	Formosan rock macaque	Lesser Scaup
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.

Lesser Scaup

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia, Ecuador, Venezuela).

Lesser Scaup

Lesser Scaup (Aythya affinis) 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