Gulls room semi-colonial nesters and, in part instances, form colonies of thousands of birds, specifically kittiwakes.

Traditional nest sites include sea-cliffs, sand dunes, archipelago on the coast and also inland and also other inaccessible locations. Part lesser black-backed and also herring gulls have successfully embraced roofs for nesting.

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The swarm is a well-constructed cup do of twigs and also grasses. The clutch of two to four eggs is incubated by both sexes for up to 30 job in May and June. The chicks hatch totally covered in down and are fed by both parents. Through the exemption of the kittiwake, the chicks leaving the nest and move come the loved one safety of surrounding vegetation when only a couple of days old. The parents look after them until they fledge after 5 or six weeks and also for a period afterwards.

Gulls are long-lived birds - the larger species only begin to breed when four years old and some deserve to live to their upper twenties.

Black-legged kittiwake Rissa tridactyla, adult stand on a potential nest site, St Agnes, island of Scilly
Gulls are found mainly on the coast in summer, although black-headed gulls also nest inland. Huge numbers of some gull species move inland in winter, roosting ~ above lakes and reservoirs and feeding on farm yard fields and refuse tips.Kittiwakes feeding on small surface-shoaling fish and crustaceans caught offshore, and also will additionally scavenge at fishing vessels. They perform not forage inland. Huge gulls (herring, lesser black-backed and good black-backed) feed on virtually anything of suitable size.Herring gulls generally forage in ~ 10km that their nests while lesser black-backed gulls will take trip much further to feed. They hunt fish and other sea creatures, but likewise take carrion, rubbish, litter and waste food, and also eggs and also chicks of various other seabirds. Castle are scavengers and also take benefit of essential waste at landfill sites and in towns.All gulls, other than kittiwakes, will feed ~ above ploughed fields. Herring and also black-headed gulls in certain can be uncovered ‘charming worms’ on pastures, play fields and also other grassy areas.

What’s that gull?

There space seven species of gulls i m sorry breed on regular basis in the UK.

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Conservation status

The kittiwake, with much more than a third of a million bag is the most many of every the UK gull species. Herring, lesser black-backed and black-headed gulls each have in excess of 100,000 reproduction pairs, when the rather have significantly smaller populations.

All seven breeding gull species are birds of conservation concern. The herring gull is currently red noted due come the severe declines in that is national breeding population. The other types are amber detailed for differing reasons. The Mediterranean gull is the only types whose numbers are right now not declining.

Why room gulls declining?

Kittiwake numbers are decreasing primarily since of shortage that their preferred prey the sandeels. The is believed that this is being pushed by climate change.

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The reason of the decreases in other species is not yet known, yet could be the an outcome of alters in their marine environment, including pollution or transforms in advertisement fishing practices. Research is urgently required to create the reasons of these decreases so that procedures to reverse them have the right to be set out.

 Herring gull Larus argentatus, adult with 3 chicks wait to be fed, one chick is pecking in ~ red spot on adult bill come encourage it come regurgitate food, Cornwall

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Great black-backed gull Larus marinus, youth standing in shallow water, Hampshire

Baby gulls or hurt gulls

wherein gulls swarm on roofs, it have the right to be typical to find a chick ~ above the ground. An uninjured chick have to be left where it is.