Irrawaddy dolphin vs Pacific white-sided dolphin

Orcaella brevirostris compared with Lagenorhynchus obliquidens

Key Differences

• Irrawaddy dolphin is Endangered while Pacific white-sided dolphin is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Pacific white-sided 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 same	Delphinidae (Oceanic Dolphins)	Delphinidae (Oceanic Dolphins)
Genus	Orcaella	Lagenorhynchus
Species	Orcaella brevirostris	Lagenorhynchus obliquidens

Evolutionary Relationship

Irrawaddy dolphin and Pacific white-sided dolphin share a common ancestor at the Family level: Delphinidae. (Oceanic Dolphins)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Pacific white-sided dolphin

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Pacific white-sided dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Pacific white-sided dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.