Irrawaddy dolphin vs slender facelina

Orcaella brevirostris compared with Facelina auriculata

Key Differences

• Irrawaddy dolphin is Endangered while slender facelina is Vulnerable.

Taxonomic Classification

Rank	Irrawaddy dolphin	slender facelina
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Mollusca (Mollusks)
Class	Mammalia (Mammals)	Gastropoda (Gastropoda)
Order	Cetacea (Whales & Dolphins)	Nudibranchia (Nudibranchia)
Family	Delphinidae (Oceanic Dolphins)	Facelinidae
Genus	Orcaella	Facelina
Species	Orcaella brevirostris	Facelina auriculata

Evolutionary Relationship

Irrawaddy dolphin and slender facelina share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

slender facelina

VU — Vulnerable

Physical Characteristics

Attribute	Irrawaddy dolphin	slender facelina
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

slender facelina

Habitat

Typically found in terrestrial and aquatic habitats including forests and freshwater.

Range

Distributed across Denmark, Norway, and Sweden. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.