Irrawaddy dolphin vs Least Auklet

Orcaella brevirostris compared with Aethia pusilla

Key Differences

• Irrawaddy dolphin is Endangered while Least Auklet is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Least Auklet
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (Charadriiformes)
Family	Delphinidae (Oceanic Dolphins)	Alcidae
Genus	Orcaella	Aethia
Species	Orcaella brevirostris	Aethia pusilla

Evolutionary Relationship

Irrawaddy dolphin and Least Auklet share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Least Auklet

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Least Auklet
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Least Auklet

Habitat

Typically found in various aerial, terrestrial, and aquatic environments.

Range

Found in Norway.