Gadwall vs Irrawaddy dolphin

Mareca strepera compared with Orcaella brevirostris

Key Differences

• Gadwall is Least Concern while Irrawaddy dolphin is Endangered.

Taxonomic Classification

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

Evolutionary Relationship

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

Conservation Status

Gadwall

LC — Least Concern

Irrawaddy dolphin

EN — Endangered

Physical Characteristics

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

Habitat & Geographic Range

Gadwall

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), North America (United States), and South America (Colombia).

Irrawaddy dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gadwall

Gadwall (Mareca strepera) 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.