Great Black-backed Gull vs Heermann's Gull

Larus marinus compared with Larus heermanni

Key Differences

• Great Black-backed Gull is Least Concern while Heermann's Gull is Near Threatened.

Taxonomic Classification

Rank	Great Black-backed Gull	Heermann's Gull
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum same	Chordata (Chordates)	Chordata (Chordates)
Class same	Aves (Birds)	Aves (Birds)
Order same	Charadriiformes (Charadriiformes)	Charadriiformes (Charadriiformes)
Family same	Laridae	Laridae
Genus same	Larus	Larus
Species	Larus marinus	Larus heermanni

Evolutionary Relationship

Great Black-backed Gull and Heermann's Gull share a common ancestor at the Genus level: Larus.

Conservation Status

Great Black-backed Gull

LC — Least Concern

Heermann's Gull

NT — Near Threatened

Physical Characteristics

Attribute	Great Black-backed Gull	Heermann's Gull
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Great Black-backed Gull

Habitat

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

Range

Widely distributed across Europe (4 countries), North America (United States), and South America (Colombia).

Heermann's Gull

Habitat

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

Range

Found in Norway. Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

Great Black-backed Gull

Great Black-backed Gull (Larus marinus) 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