Blue Dolphin vs Spanish-needles

Stenella coeruleoalba compared with Bidens bipinnata

Key Differences

• Blue Dolphin is Least Concern while Spanish-needles is Not Evaluated.

Taxonomic Classification

Rank	Blue Dolphin	Spanish-needles
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Cetacea (Whales & Dolphins)	Asterales (Daisies & Sunflowers)
Family	Delphinidae (Oceanic Dolphins)	Asteraceae (Daisy Family)
Genus	Stenella	Bidens
Species	Stenella coeruleoalba	Bidens bipinnata

Conservation Status

Blue Dolphin

LC — Least Concern

Spanish-needles

NE — Not Evaluated

Physical Characteristics

Attribute	Blue Dolphin	Spanish-needles
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).

Spanish-needles

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Africa (10 countries), Asia (5 countries), Europe (19 countries), North America (Canada), Oceania and the Pacific (Australia), and South America (Brazil, Colombia).

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 6 countries:

🇧🇪 Belgium 🇨🇴 Colombia 🇩🇰 Denmark 🇳🇴 Norway 🇸🇪 Sweden 🇹🇼 Taiwan