This is of course the area where the sea and a river converge. Estuaries are significant for birds because of the tides. When low, the mud flats are exposed providing a feeding ground for many birds, especially during migration.
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Bird-nerd-word of the day: Estuary
This is of course the area where the sea and a river converge. Estuaries are significant for birds because of the tides. When low, the mud flats are exposed providing a feeding ground for many birds, especially during migration.