Double-crested Cormorant vs Flightless Cormorant

Phalacrocorax auritus compared with Phalacrocorax harrisi

Key Differences

• Double-crested Cormorant is Least Concern while Flightless Cormorant is Vulnerable.

Taxonomic Classification

Rank	Double-crested Cormorant	Flightless Cormorant
Kingdom same	Animalia (สัตว์)	Animalia (สัตว์)
Phylum same	Chordata (สัตว์มีแกนสันหลัง)	Chordata (สัตว์มีแกนสันหลัง)
Class same	Aves (นก)	Aves (นก)
Order same	Suliformes (Suliformes)	Suliformes (Suliformes)
Family same	Phalacrocoracidae	Phalacrocoracidae
Genus same	Phalacrocorax	Phalacrocorax
Species	Phalacrocorax auritus	Phalacrocorax harrisi

Evolutionary Relationship

Double-crested Cormorant and Flightless Cormorant share a common ancestor at the Genus level: Phalacrocorax.

Conservation Status

Double-crested Cormorant

LC — Least Concern

Flightless Cormorant

VU — Vulnerable

Physical Characteristics

Attribute	Double-crested Cormorant	Flightless Cormorant
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).

Flightless Cormorant

Habitat

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

Range

Distributed across Ecuador and Norway. Currently classified as Vulnerable 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.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway