Delacour's langur vs Lesser Siren

Trachypithecus delacouri compared with Siren intermedia

Key Differences

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

Taxonomic Classification

Rank	Delacour's langur	Lesser Siren
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Amphibia (Amphibians)
Order	Primates (Primates)	Caudata (Caudata)
Family	Cercopithecidae (Old World Monkeys)	Sirenidae
Genus	Trachypithecus	Siren
Species	Trachypithecus delacouri	Siren intermedia

Evolutionary Relationship

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

Conservation Status

Delacour's langur

CR — Critically Endangered

Lesser Siren

LC — Least Concern

Physical Characteristics

Attribute	Delacour's langur	Lesser Siren
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Delacour's langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Lesser Siren

Habitat

Typically found in freshwater habitats, moist forests, and wetlands.

Range

Distributed across Belgium and Mexico.