Black-billed Gull vs Brown-headed Gull

Chroicocephalus bulleri compared with Chroicocephalus brunnicephalus

Taxonomic Classification

Rank	Black-billed Gull	Brown-headed Gull
Kingdom same	Animalia (حيوانات)	Animalia (حيوانات)
Phylum same	Chordata (حبليات)	Chordata (حبليات)
Class same	Aves (طيور)	Aves (طيور)
Order same	Charadriiformes (إفجيجيات)	Charadriiformes (إفجيجيات)
Family same	Laridae	Laridae
Genus same	Chroicocephalus	Chroicocephalus
Species	Chroicocephalus bulleri	Chroicocephalus brunnicephalus

Evolutionary Relationship

Black-billed Gull and Brown-headed Gull share a common ancestor at the Genus level: Chroicocephalus.

Conservation Status

Black-billed Gull

NE — Not Evaluated

Brown-headed Gull

NE — Not Evaluated

Physical Characteristics

Attribute	Black-billed Gull	Brown-headed Gull
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black-billed Gull

Habitat

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

Range

Found in Norway.

Brown-headed Gull

Habitat

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

Range

Distributed across Norway and Taiwan.

Black-billed Gull

The Black-billed Gull (Chroicocephalus bulleri) is a species in the genus Chroicocephalus. Typically found in various aerial, terrestrial, and aquatic environments.

Brown-headed Gull

The Brown-headed Gull (Chroicocephalus brunnicephalus) is a species in the genus Chroicocephalus. Typically found in various aerial, terrestrial, and aquatic environments. Distributed across Norway and Taiwan.

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway