Blue Dolphin vs Orange-legged Robberfly

Stenella coeruleoalba compared with Dioctria oelandica

Key Differences

• Blue Dolphin is Least Concern while Orange-legged Robberfly is Near Threatened.

Taxonomic Classification

Rank	Blue Dolphin	Orange-legged Robberfly
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Diptera (Diptera)
Family	Delphinidae (Oceanic Dolphins)	Asilidae
Genus	Stenella	Dioctria
Species	Stenella coeruleoalba	Dioctria oelandica

Evolutionary Relationship

Blue Dolphin and Orange-legged Robberfly share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue Dolphin

LC — Least Concern

Orange-legged Robberfly

NT — Near Threatened

Physical Characteristics

Attribute	Blue Dolphin	Orange-legged Robberfly
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).

Orange-legged Robberfly

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden. 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 4 countries:

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