Atlantic Humpbacked Dolphin vs Gray-backed Tern

Sousa teuszii compared with Onychoprion lunatus

Key Differences

• Atlantic Humpbacked Dolphin is Critically Endangered while Gray-backed Tern is Least Concern.

Taxonomic Classification

Rank	Atlantic Humpbacked Dolphin	Gray-backed Tern
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Charadriiformes (Charadriiformes)
Family	Delphinidae (Oceanic Dolphins)	Laridae
Genus	Sousa	Onychoprion
Species	Sousa teuszii	Onychoprion lunatus

Evolutionary Relationship

Atlantic Humpbacked Dolphin and Gray-backed Tern share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Atlantic Humpbacked Dolphin

CR — Critically Endangered

Gray-backed Tern

LC — Least Concern

Physical Characteristics

Attribute	Atlantic Humpbacked Dolphin	Gray-backed Tern
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Atlantic Humpbacked Dolphin

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Gray-backed Tern

Habitat

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

Range

Found in Norway.

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.