Irrawaddy dolphin vs Perrin’s Beaked Whale

Orcaella brevirostris compared with Mesoplodon perrini

Taxonomic Classification

Rank	Irrawaddy dolphin	Perrin’s Beaked Whale
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	Delphinidae (Oceanic Dolphins)	Hyperoodontidae
Genus	Orcaella	Mesoplodon
Species	Orcaella brevirostris	Mesoplodon perrini

Evolutionary Relationship

Irrawaddy dolphin and Perrin’s Beaked Whale share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Perrin’s Beaked Whale

EN — Endangered

Physical Characteristics

Attribute	Irrawaddy dolphin	Perrin’s Beaked Whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Perrin’s Beaked Whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.