The only gull that is limited to the Mediterranean (2), Audouin's gull breeds mainly in Spain, Algeria, Greece and Italy. It has less significant breeding colonies in France, Cyprus, Croatia, Turkey, Tunisia and Morocco. Flying south at the end of the breeding season, Audouin's gull spends the winter on the coast of north and west Africa. Its population has risen from just 1,000 pairs in 1975 to over 19,000 pairs today, following an increase in discarded fish waste from the fishing industry, particularly at the Ebro delta in Spain (8).
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