Blue Dolphin vs Hook-tipped Roller

Stenella coeruleoalba compared with Ancylis apicella

Taxonomic Classification

Rank	Blue Dolphin	Hook-tipped Roller
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum	Chordata (脊索動物)	Arthropoda (節足動物)
Class	Mammalia (哺乳類)	Insecta (昆虫)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (チョウ目)
Family	Delphinidae (Oceanic Dolphins)	Tortricidae
Genus	Stenella	Ancylis
Species	Stenella coeruleoalba	Ancylis apicella

Evolutionary Relationship

Blue Dolphin and Hook-tipped Roller share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Blue Dolphin

LC — Least Concern

Hook-tipped Roller

LC — Least Concern

Physical Characteristics

Attribute	Blue Dolphin	Hook-tipped 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).

Hook-tipped Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.

Blue Dolphin

スジイルカ（Stenella coeruleoalba）はIUCNレッドリストで軽度懸念（LC）に分類されています。分布域全体で広く豊富に生息し、個体数は安定しており、即座の保全上の懸念はありません。

Shared Countries

Both species can be found in 4 countries:

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