Irrawaddy dolphin vs Ruddy Shelduck

Orcaella brevirostris compared with Tadorna ferruginea

Key Differences

• Irrawaddy dolphin is Endangered while Ruddy Shelduck is Not Evaluated.

Taxonomic Classification

Rank	Irrawaddy dolphin	Ruddy Shelduck
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Anseriformes (Anseriformes)
Family	Delphinidae (Oceanic Dolphins)	Anatidae
Genus	Orcaella	Tadorna
Species	Orcaella brevirostris	Tadorna ferruginea

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Ruddy Shelduck

NE — Not Evaluated

Physical Characteristics

Attribute	Irrawaddy dolphin	Ruddy Shelduck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Ruddy Shelduck

Habitat

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

Range

Widely distributed across Asia (Israel, Taiwan), Europe (19 countries), and North America (United States).

Ruddy Shelduck

Ruddy Shelduck (Tadorna ferruginea) is classified as Not Evaluated (NE) on the IUCN Red List. Not yet evaluated against IUCN Red List criteria. Conservation status remains to be determined.