Just going to put this out there Squirrelslayer,.................introducing a non-native species ,has never in the history of man ,worked out as planned . Here are a few examples. Dandelions, Purple loosestrife, Zebra muscles,Cane toads, Rabbits, Beavers, Starlings, Cats ,Dogs ,Pigs, Goats, Giant Hogweed,African snails, Pythons ,Iguanas,Emerald Ash borer,Asian longhorned beatle, Scotch Thistle,Asian Carp........................................We could go on but ,I'm hoping you get it. The outcome is usually devistating to entire ecosystems in ways that were never imagined.