Delacour's langur vs Polynesian rat

Trachypithecus delacouri compared with Rattus exulans

Key Differences

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

Taxonomic Classification

Rank	Delacour's langur	Polynesian rat
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Primates (Primates)	Rodentia (Rodents)
Family	Cercopithecidae (Old World Monkeys)	Muridae (Mice & Rats)
Genus	Trachypithecus	Rattus
Species	Trachypithecus delacouri	Rattus exulans

Evolutionary Relationship

Delacour's langur and Polynesian rat share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Delacour's langur

CR — Critically Endangered

Polynesian rat

LC — Least Concern

Physical Characteristics

Attribute	Delacour's langur	Polynesian rat
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Delacour's langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Polynesian rat

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical coniferous forests, among 4 distinct biome types spanning the Australasia and Indomalayan realms. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Asia (6 countries), Europe (United Kingdom), North America (United States), Oceania and the Pacific (11 countries), and South America (Chile).