- Oct 22, 2019
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In my metro park the naturalist culls them. So they don't dilute the mallard genetics. But some are smart and I have seen the same mixes around for years. Keep them on your property and who said they aren't Rouens. 

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Exactly!In my metro park the naturalist culls them. So they don't dilute the mallard genetics. But some are smart and I have seen the same mixes around for years. Keep them on your property and who said they aren't Rouens.![]()