Double-crested Cormorant vs Indian Ocean humpback dolphin

Phalacrocorax auritus compared with Sousa plumbea

Key Differences

• Double-crested Cormorant is Least Concern while Indian Ocean humpback dolphin is Endangered.

Taxonomic Classification

Rank	Double-crested Cormorant	Indian Ocean humpback dolphin
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class	Aves (Birds)	Mammalia (Mammals)
Order	Suliformes (Suliformes)	Cetacea (Whales & Dolphins)
Family	Phalacrocoracidae	Delphinidae (Oceanic Dolphins)
Genus	Phalacrocorax	Sousa
Species	Phalacrocorax auritus	Sousa plumbea

Evolutionary Relationship

Double-crested Cormorant and Indian Ocean humpback dolphin share a common ancestor at the Phylum level: Chordata. (Chordates)

Conservation Status

Double-crested Cormorant

LC — Least Concern

Indian Ocean humpback dolphin

EN — Endangered

Physical Characteristics

Attribute	Double-crested Cormorant	Indian Ocean humpback dolphin
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Double-crested Cormorant

Habitat

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

Range

Widely distributed across Europe (5 countries), North America (United States), and South America (Colombia).

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.

Double-crested Cormorant

Double-crested Cormorant (Phalacrocorax auritus) 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.