I want to put a few cams at lower heights in bird houses. Has anyone done this and had problems with birds pecking or damaging the lens? My plan is to cut a hole for the lens with a hole saw so the hole will be pretty much be the size of the exterior lens. Currently just playing around; here is a Dahua 4239 Full Color Bullet and a Dahua 2 MP 2231 Varifocal. I am thinking of making the house non-traditional shaped (example is a Chickadee house) vs. a basic bird house. I thought of glass or Plexiglas in front of the lens but it complicates the build and possibly introduces infrared issues or reflection issues. The wood bottom is off the 4239 in the photo. The 2231 was just to get an idea of size/scale. The Chickadee house with new wood is an actual birdhouse I built. The one photo is shot from 25 feet to get an idea of camo and discreteness.