Covered runs for bantam ducks especially will always be my preferred method of keeping them. Them being so tiny it makes them not only an appealing target for raptors, but easy to carry off. My big duck flock has a little more natural advantage and resistance to these types of encounters (which is likely why the hawk was trying over the call cabin rather than the big duck area) due to larger size and 2 big loud geese that have an intimidating wing span! However, it’s still possible for a despera