The RSPB: Great black-backed gull

Great black-backed gull

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Latin name

Larus marinus

Family

Gulls (Laridae)

Overview

A very large, thick-set black-backed gull, with a powerful beak. Adults are blacker than the smaller lesser black-backed gull. It has a heavy flight and can look quite hunched when perched. It will fight off other gulls and chase them to snatch food.

Where to see them

Found around the coasts in the breeding season. At other times of year it can be found wherever gulls congregate - at reservoir roosts, rubbish tips inland, and bays and harbours.

When to see them

All year round - found inland most in winter.

What they eat

Omnivorous - shellfish, birds and carrion.

Estimated numbers

Europe	UK breeding*	UK wintering*	UK passage*
-	17,160 pairs	43,156 birds	-

* UK breeding is the number of pairs breeding annually. UK wintering is the number of individuals present from October to March. UK passage is the number of individuals passing through on migration in spring and/or autumn.

Distribution

Key

Please note that the map is only intended as a guide. It shows general distribution rather than detailed, localised populations.

Audio is from commercial recordings Bird Songs and Calls of Britain and Europe on 4 CDs or Bird Sounds of Europe & North-west Africa, copyright WildSounds & CEBA (www.wildsounds.com, (UK) +44 (0) 1263 741100)