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August 3, 2011
BatteryPark.TV previously reported that two different nests of mallard ducklings met their demise this year: one was due to human error, the other was a mystery. We have learned that the five ducklings which briefly lived in the waterfall pond were periodically snatched by a resident great blue heron bird of prey, one after another, day by day.
These photos from a UK blog show a heron in action eating a duckling.