Irrawaddy dolphin vs Streaked Wave

Orcaella brevirostris compared with Scopula virgulata

Key Differences

• Irrawaddy dolphin is Endangered while Streaked Wave is Vulnerable.

Taxonomic Classification

Rank	Irrawaddy dolphin	Streaked Wave
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)	Geometridae
Genus	Orcaella	Scopula
Species	Orcaella brevirostris	Scopula virgulata

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Streaked Wave

VU — Vulnerable

Physical Characteristics

Attribute	Irrawaddy dolphin	Streaked Wave
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Streaked Wave

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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