Gray-shanked Douc Langur vs Ruff

Pygathrix cinerea compared with Calidris pugnax

Key Differences

• Gray-shanked Douc Langur is Critically Endangered while Ruff is Least Concern.

Taxonomic Classification

Rank	Gray-shanked Douc Langur	Ruff
Kingdom same	Animalia (животные)	Animalia (животные)
Phylum same	Chordata (хордовые)	Chordata (хордовые)
Class	Mammalia (млекопитающие)	Aves (птицы)
Order	Primates (приматы)	Charadriiformes (ржанкообразные)
Family	Cercopithecidae (Old World Monkeys)	Scolopacidae
Genus	Pygathrix	Calidris
Species	Pygathrix cinerea	Calidris pugnax

Evolutionary Relationship

Gray-shanked Douc Langur and Ruff share a common ancestor at the Phylum level: Chordata. (хордовые)

Conservation Status

Gray-shanked Douc Langur

CR — Critically Endangered

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Gray-shanked Douc Langur	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Gray-shanked Douc Langur

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.