Francois' langur vs Sailray

Trachypithecus francoisi compared with Rajella lintea

Key Differences

• Francois' langur is Endangered while Sailray is Near Threatened.

Taxonomic Classification

Rank	Francois' langur	Sailray
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Elasmobranchii
Order	Primates (อันดับวานร)	Rajiformes (อันดับปลาโรนัน)
Family	Cercopithecidae (Old World Monkeys)	Rajidae
Genus	Trachypithecus	Rajella
Species	Trachypithecus francoisi	Rajella lintea

Evolutionary Relationship

Francois' langur and Sailray share a common ancestor at the Phylum level: Chordata. (สัตว์มีแกนสันหลัง)

Conservation Status

Francois' langur

EN — Endangered

Sailray

NT — Near Threatened

Physical Characteristics

Attribute	Francois' langur	Sailray
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Francois' langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Sailray

Habitat

Native to Europe, inhabiting ecosystems characteristic of the region.

Range

Distributed across Denmark, Norway, and Sweden. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.