Arnoux's beaked whale vs Irrawaddy dolphin

Berardius arnuxii compared with Orcaella brevirostris

Key Differences

• Arnoux's beaked whale is Least Concern while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Arnoux's beaked whale	Irrawaddy dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Hyperoodontidae	Delphinidae (Oceanic Dolphins)
Genus	Berardius	Orcaella
Species	Berardius arnuxii	Orcaella brevirostris

Evolutionary Relationship

Arnoux's beaked whale and Irrawaddy dolphin share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Arnoux's beaked whale

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Arnoux's beaked whale	Irrawaddy dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Arnoux's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Arnoux's beaked whale

The Arnoux's beaked whale, Berardius arnuxii, is a species. It is currently assessed as least concern on the IUCN Red List. Typically found in diverse terrestrial and aquatic ecosystems.