Blue Dolphin vs Wire-crested Thorntail

Stenella coeruleoalba compared with Discosura popelairii

Key Differences

• Blue Dolphin is Least Concern while Wire-crested Thorntail is Near Threatened.

Taxonomic Classification

Rank	Blue Dolphin	Wire-crested Thorntail
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Apodiformes (Apodiformes)
Family	Delphinidae (Oceanic Dolphins)	Trochilidae
Genus	Stenella	Discosura
Species	Stenella coeruleoalba	Discosura popelairii

Evolutionary Relationship

Blue Dolphin and Wire-crested Thorntail share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blue Dolphin

LC — Least Concern

Wire-crested Thorntail

NT — Near Threatened

Physical Characteristics

Attribute	Blue Dolphin	Wire-crested Thorntail
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).

Wire-crested Thorntail

Habitat

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

Range

Distributed across Colombia, Ecuador, and Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.

Shared Countries

Both species can be found in 3 countries:

🇨🇴 Colombia 🇪🇨 Ecuador 🇳🇴 Norway