Recent studies have found that the gooey, paper-thin biofilm coating the mud on tidal flats around the world is high in energy and nutrients that can make up to 70 per cent of a shorebirds' diet. The connection between shorebirds and biofilm is not only a "missing" but a "critical" link that could lead to better understanding of the birds, many of which are declining in number globally. ~ Margaret Munro, Postmedia News

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