Blue Dolphin vs Common Sundrops

Stenella coeruleoalba compared with Oenothera fruticosa

Key Differences

• Blue Dolphin is Least Concern while Common Sundrops is Not Evaluated.

Taxonomic Classification

Rank	Blue Dolphin	Common Sundrops
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Mammalia (Mammals)	Magnoliopsida (Dicots)
Order	Cetacea (Whales & Dolphins)	Myrtales (Myrtales)
Family	Delphinidae (Oceanic Dolphins)	Onagraceae
Genus	Stenella	Oenothera
Species	Stenella coeruleoalba	Oenothera fruticosa

Conservation Status

Blue Dolphin

LC — Least Concern

Common Sundrops

NE — Not Evaluated

Physical Characteristics

Attribute	Blue Dolphin	Common Sundrops
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).

Common Sundrops

Habitat

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

Range

Distributed across Czech Republic, Japan, Norway, Sweden, and United States.

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.

Common Sundrops

<em>Oenothera fruticosa</em>, the common sundrops, is a perennial flowering plant in the family Onagraceae, order Myrtales. It is native to eastern North America and has been introduced and naturalized in parts of Europe, including Czech Republic, Norway, and Sweden, as well as in Japan. The species typically inhabits open, sunny habitats such as meadows, roadsides, dry slopes, and disturbed areas, preferring well-drained soils. <em>Oenothera fruticosa</em> bears bright yellow, four-petalled flowers that bloom in late spring and early summer, attracting a range of pollinators including bees and butterflies. Unlike many evening primroses in the genus, sundrops are day-blooming. The plant spreads both by seed and by vegetative runners, forming colonies in suitable habitat. Biological traits including average individual lifespan, precise height measurements, and specific herbivore associations remain poorly documented at the species level. <em>Oenothera fruticosa</em> has not been formally assessed by the IUCN, though it is generally considered a locally common species without significant conservation concerns, and its naturalized populations in Europe are typically stable.

Shared Countries

Both species can be found in 2 countries:

🇳🇴 Norway 🇸🇪 Sweden