Irrawaddy dolphin vs Oak Nycteoline

Orcaella brevirostris compared with Nycteola revayana

Key Differences

• Irrawaddy dolphin is Endangered while Oak Nycteoline is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Oak Nycteoline
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)	Nolidae
Genus	Orcaella	Nycteola
Species	Orcaella brevirostris	Nycteola revayana

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Oak Nycteoline

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Oak Nycteoline
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Oak Nycteoline

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Distributed across Belgium, Denmark, Norway, and Sweden.