Atlantic Humpbacked Dolphin vs sei whale

Sousa teuszii compared with Balaenoptera borealis

Key Differences

• Atlantic Humpbacked Dolphin is Critically Endangered while sei whale is Endangered.

Taxonomic Classification

Rank	Atlantic Humpbacked Dolphin	sei whale
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Mammalia (Mammals)	Mammalia (Mammals)
Order same	Cetacea (Whales & Dolphins)	Cetacea (Whales & Dolphins)
Family	Delphinidae (Oceanic Dolphins)	Balaenopteridae (Rorquals)
Genus	Sousa	Balaenoptera (Rorquals)
Species	Sousa teuszii	Balaenoptera borealis

Evolutionary Relationship

Atlantic Humpbacked Dolphin and sei whale share a common ancestor at the Order level: Cetacea. (Whales & Dolphins)

Conservation Status

Atlantic Humpbacked Dolphin

CR — Critically Endangered

sei whale

EN — Endangered

Physical Characteristics

Attribute	Atlantic Humpbacked Dolphin	sei whale
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Humpbacked Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

sei whale

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Colombia, Ecuador). Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

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.