NEW YORK—Walter Mugdan looks out at the marshes that make up part of Udall’s Cove Park and Preserve in Little Neck, Queens. He points out the ospreys that inhabit one of the nesting platforms in the area, hoping to catch one of them diving down into the marsh for food.  Mugdan, 72, has lived alongside … Continue reading New York City’s Marshes, Resplendent and Threatened