 Once even a small portion is bitten off, that fruit cannot be sold and if harvested (even if there is no bacteria or virus brought by the frugivore) will rot or ferment, damaging the rest of the harvested case.Bird protection netting is applied directly on the stand-alone trees or espaliers like peaches, pears, apples, grapes, or on the side ventilation windows of growing tunnels as in the case of berries like strawberries, raspberries, blueberries, and cranberries.Bird netting may be used to protect fisheries and fish wildlife reserves from predator birds.