Blue Dolphin vs Spring Ringlet

Stenella coeruleoalba compared with Erebia epistygne

Key Differences

• Blue Dolphin is Least Concern while Spring Ringlet is Near Threatened.

Taxonomic Classification

Rank	Blue Dolphin	Spring Ringlet
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)	Nymphalidae (Brush-footed Butterflies)
Genus	Stenella	Erebia
Species	Stenella coeruleoalba	Erebia epistygne

Evolutionary Relationship

Blue Dolphin and Spring Ringlet share a common ancestor at the Kingdom level: Animalia. (動物)

Conservation Status

Blue Dolphin

LC — Least Concern

Spring Ringlet

NT — Near Threatened

Physical Characteristics

Attribute	Blue Dolphin	Spring Ringlet
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).

Spring Ringlet

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across France and Spain. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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。