Black-headed Heron vs Chatham shag

Ardea melanocephala compared with Leucocarbo onslowi

Key Differences

• Black-headed Heron is Least Concern while Chatham shag is Critically Endangered.

Taxonomic Classification

Rank	Black-headed Heron	Chatham shag
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order	Pelecaniformes (Pelecaniformes)	Suliformes (Suliformes)
Family	Ardeidae	Phalacrocoracidae
Genus	Ardea	Leucocarbo
Species	Ardea melanocephala	Leucocarbo onslowi

Evolutionary Relationship

Black-headed Heron and Chatham shag share a common ancestor at the Class level: Aves. (Birds)

Conservation Status

Black-headed Heron

LC — Least Concern

Chatham shag

CR — Critically Endangered

Physical Characteristics

Attribute	Black-headed Heron	Chatham shag
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-headed Heron

Habitat

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

Range

Found in Norway.

Chatham shag

Habitat

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

Black-headed Heron

The Black-headed Heron (Ardea melanocephala) is a species in the genus Ardea. It is currently classified as Least Concern on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.

Chatham shag

The Chatham shag (Leucocarbo onslowi) is a species in the genus Leucocarbo. It is currently classified as Critically Endangered on the IUCN Red List. Typically found in various aerial, terrestrial, and aquatic environments.