Lesser Siren vs Nilgiri langur

Siren intermedia compared with Semnopithecus johnii

Key Differences

• Lesser Siren is Least Concern while Nilgiri langur is Vulnerable.

Taxonomic Classification

Rank	Lesser Siren	Nilgiri langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Amphibia (Amphibians)	Mammalia (Mammals)
Order	Caudata (Caudata)	Primates (Primates)
Family	Sirenidae	Cercopithecidae (Old World Monkeys)
Genus	Siren	Semnopithecus
Species	Siren intermedia	Semnopithecus johnii

Evolutionary Relationship

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

Conservation Status

Lesser Siren

LC — Least Concern

Nilgiri langur

VU — Vulnerable

Physical Characteristics

Attribute	Lesser Siren	Nilgiri langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Lesser Siren

Habitat

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

Range

Distributed across Belgium and Mexico.

Nilgiri langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.