Dusky Dolphin vs Irrawaddy dolphin

Lagenorhynchus obscurus compared with Orcaella brevirostris

Key Differences

• Dusky Dolphin is Least Concern while Irrawaddy dolphin is Endangered.

Taxonomic Classification

Rank	Dusky Dolphin	Irrawaddy dolphin
Kingdom same	Animalia (動物)	Animalia (動物)
Phylum same	Chordata (脊索動物)	Chordata (脊索動物)
Class same	Mammalia (哺乳類)	Mammalia (哺乳類)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family same	Delphinidae (Oceanic Dolphins)	Delphinidae (Oceanic Dolphins)
Genus	Lagenorhynchus	Orcaella
Species	Lagenorhynchus obscurus	Orcaella brevirostris

Evolutionary Relationship

Dusky Dolphin and Irrawaddy dolphin share a common ancestor at the Family level: Delphinidae. (Oceanic Dolphins)

Conservation Status

Dusky Dolphin

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

Attribute	Dusky Dolphin	Irrawaddy dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dusky Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.