I also am unsure about barred owls,but as mentioned Great horned owls absolutely will take not only a poult but a half grown turkey as well.Like Pygmy I also have witnessed in the field on two seperate occasions a Red Tail swooping down on an adult bird of one that was a gobbler.He didn't just do it for fun either as he actually hit the turkey and feathers went everywhere.If it would have been a youngbird it would have been no contest.We run a 3500 acre gamebird facility and pheasants are no match for the Red Tails.The Coopers and Sharpshins our the biggest predator we have on our ranch when it comes to killing quail and chukars,and yes they kill our turkey poults as well.....[:@]