Nella............there was an article in the last Backyard Poultry magazine advising against using fishing line. Apparently in doesn't weather well and breaks into pieces, which the chickens can eat.
Since you free range yours, I'm not sure how much of this you can do, but this was our solution to our hawk problem. We haven't had any issues with hawks since we did this. We put this in in June 2009, so it's been in action for over a year now.
Our run is our orchard, so naturally the trees...