Haviside s Dolphin vs Triangle-marked Roller

Cephalorhynchus heavisidii compared with Ancylis achatana

Key Differences

• Haviside s Dolphin is Near Threatened while Triangle-marked Roller is Vulnerable.

Taxonomic Classification

Rank	Haviside s Dolphin	Triangle-marked Roller
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)	Tortricidae
Genus	Cephalorhynchus	Ancylis
Species	Cephalorhynchus heavisidii	Ancylis achatana

Evolutionary Relationship

Haviside s Dolphin and Triangle-marked Roller share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Haviside s Dolphin

NT — Near Threatened

Triangle-marked Roller

VU — Vulnerable

Physical Characteristics

Attribute	Haviside s Dolphin	Triangle-marked Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Haviside s Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Triangle-marked Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

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