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Why do Brent Geese come to Strangford Lough in Northern Ireland?

Up to 14,000 Brent Geese fly from the Arctic Circle to Strangford Lough every year. The long flight takes about a week and happens during winter while their breeding grounds are frozen over. Other migrants to this area include terns, who spend the winter in warmer climates and come north to breed. The Brent Geese arrive to take advantage of the abundant eel grass found on mudflats. While some fly on to other parts of Ireland, the majority remain close to Strangford Lough.

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