All Photos:
Birds
Nestboxes
Stock photo of nestbox damaged by predator woodpeckers raiding the box
Stock Images / Photos of Nestboxes (Birds)
Royalty Free Images - Filename: nest_box_birds_tree_9.jpg
To make a nest box as woodpecker proof as possible, you should fix wooden plates to the front, sides, top and bottom. Alternatively, consider stapling some small chicken wire to the outside of the box.
Relevant image keywords:
animal house, animal nest, animals and pets, bark, bird, bird box, bird house, box, branch, circle, entrance hole, environmental conservation, hole, house, man made object, nature, nest, nestbox, nesting, nesting box, nesting place, no people, outdoors, residential structure, roof, round, sloping, sloping roof, sunny, tree trunk, vertical, wildlife, wood, wooden, wooden bird box, wooden nest box, woodland, woods