Great Black-backed Gull (Larus marinus)
Illustration redrawn by AI from a real photograph

Great Black-backed Gull

Larus marinus Linnaeus, 1758

1.6 kgWeight

The great black-backed gull (Larus marinus) is the largest member of the gull and tern family Laridae.

Busiest months: May and September–October · Most records: United States, Canada, United Kingdom

Least Concern

Where and when it's recorded

Great Black-backed Gull has been recorded at 1,079 of the 8,171 birding hotspots we track, in 56 countries and regions.

Records by month Northern Hemisphere

Where it's recorded most

  1. Parker River NWRUnited States24,335 records
  2. Edwin B. Forsythe NWRUnited States18,197 records
  3. Cape Island – South Cape May MeadowsUnited States15,110 records
More places
  1. Cape Island – Cape May Point SPUnited States13,937 records
  2. Sandy HookUnited States13,065 records
  3. Central ParkUnited States11,710 records
  4. Edwin B. Forsythe NWR – Wildlife DriveUnited States11,615 records
  5. Hammonasset Beach SPUnited States10,869 records
  6. Jamaica Bay Wildlife RefugeUnited States9,243 records
  7. Stewart ParkUnited States9,114 records

Countries and regions with the most records

United StatesCanadaUnited KingdomIcelandIrelandSpainNorwayIsle of Man

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The great black-backed gull (Larus marinus) is the largest member of the gull and tern family Laridae. It is a very aggressive hunter, pirate and scavenger which breeds on the North Atlantic coasts and islands of northern Europe and northeastern North America. Southern populations are generally sedentary, while those breeding in the far north (northern Norway, northwest Russia) migrate farther south in winter.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Great Black-backed Gull?

The Great Black-backed Gull weighs around 1.6 kg.

Where does the Great Black-backed Gull live?

Its breeding range: North America, Palearctic: North Atlantic coasts, from southwestern, southeastern Greenland, Iceland to northwestern Europe, Svalbard (north of Norway) and Baltic states (northwestern Russia); coastal and inland northeastern Canada to Great Lakes (scarce) and coasts to New Jersey. It is most often recorded in United States, Canada and United Kingdom.

When is the best time to see the Great Black-backed Gull?

At the hotspots we track, it is recorded most in May, September and October (Northern Hemisphere).

Is the Great Black-backed Gull endangered?

The IUCN Red List classifies the Great Black-backed Gull as Least Concern.

What does the Great Black-backed Gull eat?

Main food: Omnivore.

What family is the Great Black-backed Gull in?

It belongs to the family Gulls, Terns, Skimmers (Laridae), order Charadriiformes.

At a glance

Weight
1.6 kg
Habitat
Coast & tidal flats
Diet
Omnivore
Lifestyle
Active on the ground
Migration
Partial migrant
Conservation
Least Concern
More measurements
Wing
478 mm
Tail
186 mm
Bill
79 mm
Tarsus
74 mm

Averages from the AVONET dataset; length from field guides where available.

Range

North America, Palearctic: North Atlantic coasts, from southwestern, southeastern Greenland, Iceland to northwestern Europe, Svalbard (north of Norway) and Baltic states (northwestern Russia); coastal and inland northeastern Canada to Great Lakes (scarce) and coasts to New Jersey

Breeding range, IOC World Bird List 15.2

Classification

Genus
Larus

Other birds in the genus Larus

Great Black-backed Gull

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Alex Shure. ↗

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