Here you will find wooden own nest boxes . In Denmark, some of the most common owls are the night owl and the barn owl, but there are also other owls such as the barn owl and the barn owl. The night owl, which is the most common, prefers to stay in deciduous forests, parks and large gardens. The owls breed in old holes in the trees or nests left by birds of prey. There is a lack of breeding sites in Denmark, as there are not many suitable trees. Therefore, the owls are increasingly dependent on set up owl own nest boxes . You can therefore help the population by setting up an owl box in your garden.