Blue Dolphin vs Bridge Roller

Stenella coeruleoalba compared with Ancylis uncella

Taxonomic Classification

Rank	Blue Dolphin	Bridge Roller
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum	Chordata (สัตว์มีแกนสันหลัง)	Arthropoda (สัตว์ขาปล้อง)
Class	Mammalia (สัตว์เลี้ยงลูกด้วยน้ำนม)	Insecta (แมลง)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (ผีเสื้อ)
Family	Delphinidae (Oceanic Dolphins)	Tortricidae
Genus	Stenella	Ancylis
Species	Stenella coeruleoalba	Ancylis uncella

Evolutionary Relationship

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

Conservation Status

Blue Dolphin

LC — Least Concern

Bridge Roller

LC — Least Concern

Physical Characteristics

Attribute	Blue Dolphin	Bridge 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).

Bridge Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

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.

Bridge Roller

The Bridge Roller (Ancylis uncella) is a species in the genus Ancylis. It is currently classified as Least Concern 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