So sorry about your losses. Your place looks lovely, but certainly a lot of area around it could harbor any number of predators. Rebel will most likely be a big help when he gets a little more seasoned. He's very handsome, BTW. Seems like your choice to move the girls into the barn and build a covered run is the best one. Free ranging is good in so many ways, but also comes with risks. Even when you are right there, sometimes things happen. Plenty of posts on here about that. I'm wondering if the really big bobcat could actually be a lynx?