Blue Dolphin vs Buckthorn Roller

Stenella coeruleoalba compared with Ancylis unculana

Key Differences

• Blue Dolphin is Least Concern while Buckthorn Roller is Near Threatened.

Taxonomic Classification

Rank	Blue Dolphin	Buckthorn Roller
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (Butterflies & Moths)
Family	Delphinidae (Oceanic Dolphins)	Tortricidae
Genus	Stenella	Ancylis
Species	Stenella coeruleoalba	Ancylis unculana

Evolutionary Relationship

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

Conservation Status

Blue Dolphin

LC — Least Concern

Buckthorn Roller

NT — Near Threatened

Physical Characteristics

Attribute	Blue Dolphin	Buckthorn Roller
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).

Buckthorn Roller

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.

Buckthorn Roller

The Buckthorn Roller (Ancylis unculana) is a species in the genus Ancylis. It is currently classified as Near Threatened on the IUCN Red List. Typically found in virtually all terrestrial and freshwater habitats.

Shared Countries

Both species can be found in 4 countries:

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