Annamese Langur vs Ruff

Trachypithecus margarita compared with Calidris pugnax

Key Differences

• Annamese Langur is Endangered while Ruff is Least Concern.

Taxonomic Classification

Rank	Annamese Langur	Ruff
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Aves (นก)
Order	Primates (อันดับวานร)	Charadriiformes (Charadriiformes)
Family	Cercopithecidae (Old World Monkeys)	Scolopacidae
Genus	Trachypithecus	Calidris
Species	Trachypithecus margarita	Calidris pugnax

Evolutionary Relationship

Annamese Langur and Ruff share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Annamese Langur

EN — Endangered

Ruff

LC — Least Concern

Physical Characteristics

Attribute	Annamese Langur	Ruff
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Annamese 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).

Annamese Langur

The Annamese Langur (Trachypithecus margarita) is a species in the genus Trachypithecus. It is currently classified as Endangered on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.

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.