bird house3 Plans for Predator Guards: Conical metal predator guard or collar This guard works well for boxes that are attached to free-standing poles. The collar is a made from a circular piece of galvanized sheet metal that is placed around the pole underneath the nest box. 2026. 1. 9. Plans for Predator Guards: Noel predator guard The Noel guard is a rectangular tube of hardware cloth stapled to the front of the nest box. This will make it difficult for predators to reach into the box entrance hole; however, the nest-box occupants can easily come and go. 2026. 1. 9. Plans for Predator Guards: Stovepipe baffle This device is made from a piece of stovepipe or PVC pipe that encircles the nest-box pole. It is held in place by hardware cloth and straps. 2026. 1. 9. 이전 1 다음