Magpie ducks are active foragers that will graze and hunt for a sizable portion of their feed from grass, seeds, insects, and aquatic life. They eagerly search for and consume slugs, snails, and insects. infestations. Magpies are good layers will produce 200 eggs yearly. High strung dispositions at home on land and not capable of sustained flight, they can propel themselves over a 2-3 foot wall if startled.