Dear Gary: After seeing and hearing barn owls in our backyard last summer and fall, we decided to put up a barn owl nest box. It is on a pine tree trunk, approximately 20 feet above the ground.

Not only has the cheeky squirrel taken over a bird nesting box, but it regularly scrambles around inside the visitors' centre A cheeky red squirrel has barricaded up a tawny owl breeding box in the ...