When building a birdhouse or nestbox, the hole size (entrance) is one of the most important decisions you will need to make. Do you know that the diameter of the hole determines which birds will fit into the house and which birds will leave it alone? If the entrance hole is too large you might find less desirable birds
How to keep squirrels away from bird feeders - including recipes for DIY squirrel repellent spray. Covers DIY bird feeders and multiple alternative ways to repel squirrels from your hanging or pole bird feeder.