Indo-Pacific Bottlenose Dolphin vs Triangle-marked Roller

Tursiops aduncus compared with Ancylis achatana

Key Differences

• Indo-Pacific Bottlenose Dolphin is Near Threatened while Triangle-marked Roller is Vulnerable.

Taxonomic Classification

Rank	Indo-Pacific Bottlenose 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	Tursiops (Bottlenose Dolphins)	Ancylis
Species	Tursiops aduncus	Ancylis achatana

Evolutionary Relationship

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

Conservation Status

Indo-Pacific Bottlenose Dolphin

NT — Near Threatened

Triangle-marked Roller

VU — Vulnerable

Physical Characteristics

Attribute	Indo-Pacific Bottlenose Dolphin	Triangle-marked Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indo-Pacific Bottlenose Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Found in Taiwan. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

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.