Thanks to everyone for their suggestions!
As expected the owl was a flop (the chickens walked right past it, but it did freak out the cat!). We will look at running a fence up the lot line on that side since that seems to be the area where they cause trouble. I'm hoping my chickens will be...
We're new to chicken ownership--live outside the city limits in a suburban area, 8/10 of an acre lot so I CAN'T afford to fence it. My problem is our 5 hens have taken to ranging from their coop, PAST our house, and invading the neighbor's front yard, planting areas and front porch rather than...