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How well can you identify birds by their song? The birds are singing but may be difficult to see this time of year. Join us at Grass River Natural Area on Saturday, May 13th at 9 am to learn to ID birds using your ears to listen to their songs. Grass River is a birding hotspot and a great place to learn your birds. This is a free program but donations are always appreciated. For more information contact [email protected] or call (231) 533-8314.