Irrawaddy dolphin vs lesser grison

Orcaella brevirostris compared with Galictis cuja

Key Differences

• Irrawaddy dolphin is Endangered while lesser grison is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	lesser grison
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order	Cetacea (Whales & Dolphins)	Carnivora (Carnivorans)
Family	Delphinidae (Oceanic Dolphins)	Mustelidae (Weasels & Otters)
Genus	Orcaella	Galictis
Species	Orcaella brevirostris	Galictis cuja

Evolutionary Relationship

Irrawaddy dolphin and lesser grison share a common ancestor at the Class level: Mammalia. (Mammals)

Conservation Status

Irrawaddy dolphin

EN — Endangered

lesser grison

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	lesser grison
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

lesser grison

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.