Delacour's langur vs Ruff

Trachypithecus delacouri compared with Calidris pugnax

Key Differences

• Delacour's langur is Critically Endangered while Ruff is Least Concern.

Taxonomic Classification

Rank	Delacour's langur	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	Trachypithecus	Calidris
Species	Trachypithecus delacouri	Calidris pugnax

Evolutionary Relationship

Delacour's langur and Ruff share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Delacour's langur

CR — Critically Endangered

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Delacour's langur	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Delacour's 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.