Irrawaddy dolphin vs Weka

Orcaella brevirostris compared with Gallirallus australis

Key Differences

• Irrawaddy dolphin is Endangered while Weka is Vulnerable.

Taxonomic Classification

Rank	Irrawaddy dolphin	Weka
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Gruiformes (Gruiformes)
Family	Delphinidae (Oceanic Dolphins)	Rallidae
Genus	Orcaella	Gallirallus
Species	Orcaella brevirostris	Gallirallus australis

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Weka

VU — Vulnerable

Physical Characteristics

Attribute	Irrawaddy dolphin	Weka
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Weka

Habitat

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

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.