Blue Dolphin vs Olive-headed Weaver

Stenella coeruleoalba compared with Ploceus olivaceiceps

Key Differences

• Blue Dolphin is Least Concern while Olive-headed Weaver is Near Threatened.

Taxonomic Classification

Rank	Blue Dolphin	Olive-headed Weaver
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Passeriformes (Songbirds)
Family	Delphinidae (Oceanic Dolphins)	Ploceidae
Genus	Stenella	Ploceus
Species	Stenella coeruleoalba	Ploceus olivaceiceps

Evolutionary Relationship

Blue Dolphin and Olive-headed Weaver share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Blue Dolphin

LC — Least Concern

Olive-headed Weaver

NT — Near Threatened

Physical Characteristics

Attribute	Blue Dolphin	Olive-headed Weaver
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).

Olive-headed Weaver

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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 1 countries:

🇳🇴 Norway