Blue Dolphin vs Emerald Spreadwing

Stenella coeruleoalba compared with Lestes dryas

Key Differences

• Blue Dolphin is Least Concern while Emerald Spreadwing is Vulnerable.

Taxonomic Classification

Rank	Blue Dolphin	Emerald Spreadwing
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Odonata (Odonata)
Family	Delphinidae (Oceanic Dolphins)	Lestidae
Genus	Stenella	Lestes
Species	Stenella coeruleoalba	Lestes dryas

Evolutionary Relationship

Blue Dolphin and Emerald Spreadwing share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue Dolphin

LC — Least Concern

Emerald Spreadwing

VU — Vulnerable

Physical Characteristics

Attribute	Blue Dolphin	Emerald Spreadwing
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).

Emerald Spreadwing

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (5 countries) and North America (United States). Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

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.

Emerald Spreadwing

Emerald Spreadwing (Lestes dryas) is classified as Vulnerable (VU) on the IUCN Red List. Facing a high risk of endangerment in the wild, with declining populations and increasing habitat pressure.

Shared Countries

Both species can be found in 4 countries:

🇧🇪 Belgium 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden