Irrawaddy dolphin vs White-shouldered Ibis

Orcaella brevirostris compared with Pseudibis davisoni

Key Differences

• Irrawaddy dolphin is Endangered while White-shouldered Ibis is Critically Endangered.

Taxonomic Classification

Rank	Irrawaddy dolphin	White-shouldered Ibis
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Pelecaniformes (Pelecaniformes)
Family	Delphinidae (Oceanic Dolphins)	Threskiornithidae
Genus	Orcaella	Pseudibis
Species	Orcaella brevirostris	Pseudibis davisoni

Evolutionary Relationship

Irrawaddy dolphin and White-shouldered Ibis share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

White-shouldered Ibis

CR — Critically Endangered

Physical Characteristics

Attribute	Irrawaddy dolphin	White-shouldered Ibis
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

White-shouldered Ibis

Habitat

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

Range

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