Great black-backed gull Larus marinus

Very large gull with black back and pink legs

Habitat: marshes, estuaries and sea

Resident, breeding in N. and W. Britain

Massive gull with black back, thick yellow bill with red spot and pink legs

Usually over sea and coast, but penetrates inland in winter, to rubbish tips and reservoirs

Eats other seabirds and their young, offal and rubbish

Nest is a large mass of sticks or seaweed on ground on island or rock

1 Brood April to May; 2-3 olive eggs speckled brown