Formosan rock macaque vs Ruddy Shelduck

Macaca cyclopis compared with Tadorna ferruginea

Key Differences

• Formosan rock macaque is Least Concern while Ruddy Shelduck is Not Evaluated.

Taxonomic Classification

Rank	Formosan rock macaque	Ruddy Shelduck
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	Tadorna
Species	Macaca cyclopis	Tadorna ferruginea

Evolutionary Relationship

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

Conservation Status

Formosan rock macaque

LC — Least Concern

Ruddy Shelduck

NE — Not Evaluated

Physical Characteristics

Attribute	Formosan rock macaque	Ruddy Shelduck
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.

Ruddy Shelduck

Habitat

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

Range

Widely distributed across Asia (Israel, Taiwan), Europe (19 countries), and North America (United States).

Ruddy Shelduck

Ruddy Shelduck (Tadorna ferruginea) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.

Shared Countries

Both species can be found in 1 countries:

🇹🇼 Taiwan