Blue Dolphin vs cottony hydrangea scale

Stenella coeruleoalba compared with Pulvinaria hydrangeae

Key Differences

• Blue Dolphin is Least Concern while cottony hydrangea scale is Not Evaluated.

Taxonomic Classification

Rank	Blue Dolphin	cottony hydrangea scale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Hemiptera (Hemiptera)
Family	Delphinidae (Oceanic Dolphins)	Coccidae
Genus	Stenella	Pulvinaria
Species	Stenella coeruleoalba	Pulvinaria hydrangeae

Evolutionary Relationship

Blue Dolphin and cottony hydrangea scale share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Blue Dolphin

LC — Least Concern

cottony hydrangea scale

NE — Not Evaluated

Physical Characteristics

Attribute	Blue Dolphin	cottony hydrangea scale
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).

cottony hydrangea scale

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (7 countries).

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 2 countries:

🇧🇪 Belgium 🇸🇪 Sweden