Atlantic Humpbacked Dolphin vs Gadwall

Sousa teuszii compared with Mareca strepera

Key Differences

• Atlantic Humpbacked Dolphin is Critically Endangered while Gadwall is Least Concern.

Taxonomic Classification

Rank	Atlantic Humpbacked Dolphin	Gadwall
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	Sousa	Mareca
Species	Sousa teuszii	Mareca strepera

Evolutionary Relationship

Atlantic Humpbacked Dolphin and Gadwall share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Humpbacked Dolphin

CR — Critically Endangered

Gadwall

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Humpbacked Dolphin	Gadwall
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Humpbacked Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

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).

Atlantic Humpbacked Dolphin

The Atlantic Humpbacked Dolphin (Sousa teuszii) is a species in the genus Sousa. It is currently classified as Critically Endangered on the IUCN Red List. 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.