Avitrol double strength medium corn chops are designed to dispel flocks of blackbirds, grackles, cowbirds, and starlings. Because
Avitrol is a restricted use pesticide, the proper licensing/certification is required of all purchasers prior to purchase. Keeps
desired properties clear of bird droppings and nests. Utilizes active ingredient, 4-aminopyridine that has been proven pain-free
for birds. Contains technology that frightens birds and triggers them to never come back to the treated site.