Irrawaddy dolphin vs Mallard

Orcaella brevirostris compared with Anas platyrhynchos

Key Differences

• Irrawaddy dolphin is Endangered while Mallard is Least Concern.

Taxonomic Classification

Rank	Irrawaddy dolphin	Mallard
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 platyrhynchos

Evolutionary Relationship

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

Conservation Status

Irrawaddy dolphin

EN — Endangered

Mallard

LC — Least Concern

Physical Characteristics

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

Habitat & Geographic Range

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Mallard

Habitat

Inhabits tropical and subtropical moist broadleaf forests and deserts and xeric shrublands spanning the Afrotropic and Indomalayan realms.

Range

Widely distributed across Africa (5 countries), Asia (Bhutan, Nepal), Europe (7 countries), North America (Barbados, El Salvador, United States), Oceania and the Pacific (Australia, New Zealand), and South America (4 countries).

Mallard

Mallard (Anas platyrhynchos) 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.