Irrawaddy dolphin vs Mountain Plume

Orcaella brevirostris compared with Stenoptilia islandicus

Key Differences

• Irrawaddy dolphin is Endangered while Mountain Plume is Vulnerable.

Taxonomic Classification

Rank	Irrawaddy dolphin	Mountain Plume
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Chordata (Chordates)	Arthropoda (Arthropods)
Class	Mammalia (Mammals)	Insecta (Insects)
Order	Cetacea (Whales & Dolphins)	Lepidoptera (Butterflies & Moths)
Family	Delphinidae (Oceanic Dolphins)	Pterophoridae
Genus	Orcaella	Stenoptilia
Species	Orcaella brevirostris	Stenoptilia islandicus

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Mountain Plume

VU — Vulnerable

Physical Characteristics

Attribute	Irrawaddy dolphin	Mountain Plume
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Mountain Plume

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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