What Makes a Good Birdhouse?
Nestbox is just another name for birdhouse, although the nestbox on the right may not be what comes to mind when you think of “birdhouse.” Many birdhouses are highly decorated and house-shaped, as the name suggests. However, these traditional birdhouses pose certain dangers to birds, such as toxic paint and providing a perch that could help predators gain access to the nest. If you want to provide a safe nesting place for birds, your nestbox should follow certain guidelines such as:
Top: This is a fairly good example of a safe and functional birdhouse. Notice how different it is some the birdhouses seen in the store! However, it should have some ventilation holes drilled in the side, and it would preferably not on a tree trunk. Photo taken by Kenneth C. Zirkel; used through CC BY-SA 4.0.
Bottom: This is an example of a birdhouse you should NOT use. Photo taken by Kabir Bakie; used through CC BY-SA 2.5.