Hourglass Dolphin vs Streaked Wave

Lagenorhynchus cruciger compared with Scopula virgulata

Key Differences

• Hourglass Dolphin is Least Concern while Streaked Wave is Vulnerable.

Taxonomic Classification

Rank	Hourglass 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	Lagenorhynchus	Scopula
Species	Lagenorhynchus cruciger	Scopula virgulata

Evolutionary Relationship

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

Conservation Status

Hourglass Dolphin

LC — Least Concern

Streaked Wave

VU — Vulnerable

Physical Characteristics

Attribute	Hourglass Dolphin	Streaked Wave
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Hourglass 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.