Irrawaddy dolphin vs Red-billed Duck

Orcaella brevirostris compared with Anas erythrorhyncha

Key Differences

• Irrawaddy dolphin is Endangered while Red-billed Duck is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Red-billed Duck
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	Anas
Species	Orcaella brevirostris	Anas erythrorhyncha

Evolutionary Relationship

Irrawaddy dolphin and Red-billed Duck share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Irrawaddy dolphin

EN — Endangered

Red-billed Duck

LC — Least Concern

Physical Characteristics

Attribute	Irrawaddy dolphin	Red-billed Duck
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Red-billed Duck

Habitat

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

Range

Found across Europe (6 countries) and South America (Ecuador).

Red-billed Duck

Red-billed Duck (Anas erythrorhyncha) is classified as Least Concern (LC) on the IUCN Red List. Widespread and abundant across its range, with stable populations and no immediate conservation concerns.