Indian Ocean humpback dolphin vs Lesser Akialoa

Sousa plumbea compared with Akialoa obscura

Key Differences

• Indian Ocean humpback dolphin is Endangered while Lesser Akialoa is Extinct.

Taxonomic Classification

Rank	Indian Ocean humpback dolphin	Lesser Akialoa
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Mammalia (Mammals)	Aves (Birds)
Order	Cetacea (Whales & Dolphins)	Passeriformes (Songbirds)
Family	Delphinidae (Oceanic Dolphins)	Fringillidae
Genus	Sousa	Akialoa
Species	Sousa plumbea	Akialoa obscura

Evolutionary Relationship

Indian Ocean humpback dolphin and Lesser Akialoa share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Indian Ocean humpback dolphin

EN — Endangered

Lesser Akialoa

EX — Extinct

Physical Characteristics

Attribute	Indian Ocean humpback dolphin	Lesser Akialoa
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Indian Ocean humpback dolphin

Habitat

Inhabits temperate broadleaf and mixed forests and Mediterranean forests and woodlands within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Greece. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Lesser Akialoa

Habitat

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

Range

Found in Norway.