Blue Dolphin vs Nilgiri langur

Stenella coeruleoalba compared with Semnopithecus johnii

Key Differences

• Blue Dolphin is Least Concern while Nilgiri langur is Vulnerable.

Taxonomic Classification

Rank	Blue Dolphin	Nilgiri langur
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Primates (Primates)
Family	Delphinidae (Oceanic Dolphins)	Cercopithecidae (Old World Monkeys)
Genus	Stenella	Semnopithecus
Species	Stenella coeruleoalba	Semnopithecus johnii

Evolutionary Relationship

Blue Dolphin and Nilgiri langur share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Blue Dolphin

LC — Least Concern

Nilgiri langur

VU — Vulnerable

Physical Characteristics

Attribute	Blue Dolphin	Nilgiri langur
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blue Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), and South America (Colombia, Ecuador, Venezuela).

Nilgiri langur

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Blue Dolphin

Blue Dolphin (Stenella coeruleoalba) 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.