Blue Dolphin vs Rough-faced shag

Stenella coeruleoalba compared with Leucocarbo carunculatus

Key Differences

• Blue Dolphin is Least Concern while Rough-faced shag is Vulnerable.

Taxonomic Classification

Rank	Blue Dolphin	Rough-faced shag
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Suliformes (Suliformes)
Family	Delphinidae (Oceanic Dolphins)	Phalacrocoracidae
Genus	Stenella	Leucocarbo
Species	Stenella coeruleoalba	Leucocarbo carunculatus

Evolutionary Relationship

Blue Dolphin and Rough-faced shag share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blue Dolphin

LC — Least Concern

Rough-faced shag

VU — Vulnerable

Physical Characteristics

Attribute	Blue Dolphin	Rough-faced shag
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).

Rough-faced shag

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

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.