Irrawaddy dolphin vs Little Roller

Orcaella brevirostris compared with Ancylis comptana

Key Differences

• Irrawaddy dolphin is Endangered while Little Roller is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Little 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	Orcaella	Ancylis
Species	Orcaella brevirostris	Ancylis comptana

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Little Roller

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Little Roller
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Little Roller

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (4 countries) and North America (Canada, United States).