Cuvier's beaked whale vs Irrawaddy dolphin

Ziphius cavirostris compared with Orcaella brevirostris

Key Differences

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

Taxonomic Classification

Rank	Cuvier'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	Ziphius	Orcaella
Species	Ziphius cavirostris	Orcaella brevirostris

Evolutionary Relationship

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

Conservation Status

Cuvier's beaked whale

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Cuvier's beaked whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador, Venezuela).

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.