Northern Pig-tailed Macaque vs Ruff

Macaca leonina compared with Calidris pugnax

Key Differences

• Northern Pig-tailed Macaque is Vulnerable while Ruff is Least Concern.

Taxonomic Classification

Rank	Northern Pig-tailed Macaque	Ruff
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Primates (Primates)	Charadriiformes (Charadriiformes)
Family	Cercopithecidae (Old World Monkeys)	Scolopacidae
Genus	Macaca	Calidris
Species	Macaca leonina	Calidris pugnax

Evolutionary Relationship

Northern Pig-tailed Macaque and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Northern Pig-tailed Macaque

VU — Vulnerable

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Northern Pig-tailed Macaque	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Northern Pig-tailed Macaque

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ruff

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, Venezuela).

Ruff

Ruff (Calidris pugnax) 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.