Berry Growers Try Alternatives to Bird Scare Cannons SEATTLE, WA (KPLU) - It's an issue all over the Northwest. Housing development is moving into farm country. That can make for uneasy neighbors, especially at certain times of year. This is one of them. Blueberry growers commonly use booming cannons to scare birds away from the ripening crop. Up near the Canadian border, some berry farmers are experimenting with alternatives to keep the peace with neighbors but still protect crops from hungry starlings. KPLU's Tom Banse reports on a case of cooperation trumping litigation. © Copyright 2009, KPLU