Hourglass Dolphin vs Irrawaddy dolphin

Lagenorhynchus cruciger compared with Orcaella brevirostris

Key Differences

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

Taxonomic Classification

Rank	Hourglass Dolphin	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 same	Delphinidae (Oceanic Dolphins)	Delphinidae (Oceanic Dolphins)
Genus	Lagenorhynchus	Orcaella
Species	Lagenorhynchus cruciger	Orcaella brevirostris

Evolutionary Relationship

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

Conservation Status

Hourglass Dolphin

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Hourglass Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.