Thousands of Gulls in Madrid, Spain by Jorge Sanz / SOPA Images
Thousands of gulls, the most of them Lesser black-backed gulls (Larus fuscus), Yellow-legged gulls (Larus michahellis) and Black-headed gulls (Chroicocephalus ridibundus) continue spending the winter months in Madrid. In mid-March, they will return to their breeding places in Central and northern Europe
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