Flightless Cormorant vs Yellow-billed Cacique

Phalacrocorax harrisi compared with Amblycercus holosericeus

Key Differences

• Flightless Cormorant is Vulnerable while Yellow-billed Cacique is Least Concern.

Taxonomic Classification

Rank	Flightless Cormorant	Yellow-billed Cacique
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Suliformes (Suliformes)	Passeriformes (Songbirds)
Family	Phalacrocoracidae	Icteridae
Genus	Phalacrocorax	Amblycercus
Species	Phalacrocorax harrisi	Amblycercus holosericeus

Evolutionary Relationship

Flightless Cormorant and Yellow-billed Cacique share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Flightless Cormorant

VU — Vulnerable

Yellow-billed Cacique

LC — Least Concern

Physical Characteristics

Attribute	Flightless Cormorant	Yellow-billed Cacique
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

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.

Yellow-billed Cacique

Habitat

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

Range

Distributed across Colombia, Ecuador, Norway, and Venezuela.

Yellow-billed Cacique

Yellow-billed Cacique (Amblycercus holosericeus) 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 2 countries:

🇪🇨 Ecuador 🇳🇴 Norway