Blue Dolphin vs Gray-shanked Douc Langur

Stenella coeruleoalba compared with Pygathrix cinerea

Key Differences

• Blue Dolphin is Least Concern while Gray-shanked Douc Langur is Critically Endangered.

Taxonomic Classification

Rank	Blue Dolphin	Gray-shanked Douc 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	Pygathrix
Species	Stenella coeruleoalba	Pygathrix cinerea

Evolutionary Relationship

Blue Dolphin and Gray-shanked Douc Langur share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Blue Dolphin

LC — Least Concern

Gray-shanked Douc Langur

CR — Critically Endangered

Physical Characteristics

Attribute	Blue Dolphin	Gray-shanked Douc 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).

Gray-shanked Douc 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.