Can understand that, we had a hawk fly right up to the house and get one of my bantam hens I was heart broken and so surprised she[ it was a huge red tail] would be so bold as to come that close.We been have our chicken n ducks I'm the same pen for 4 years now it was just day before yesterday we had something get in there normally our dogs scare everything away the only thing I can see is mabie a hawk r somekind of bird