For wild birds, shelter and habitat are top priorities in spring. A few well-placed bird houses can significantly increase your yard's attractiveness.
Many favorite backyard birds will nest in bird houses (i.e. nest boxes). These birds -- chickadees, wrens, nuthatches, tree swallows, bluebirds, woodpeckers, and owls -- are called cavity nesters. In the wild, they nest in cavities like standing dead trees, however, since most yards don't include dead timber, these birds can benefit from you adding one or more birdhouses on your property.
The best birdhouses include the following elements of design:
- The entrance hole must be big enough for the desired bird to get into the nest box, but not so large that a predator can raid the nest.
- Perches are unnecessary--they just make it easier for predators.
- They must allow for drainage, ventilation, and durability in construction.
Most nesting birds are territorial, so your yard will likely accommodate only one family of a particular bird species. If possible, mount nest boxes at least 30 feet apart to minimize disputes. Partly-concealed, shady locations are best, with a clear flight path to the house.
To discourage non-native English Sparrows and European Starlings, try mounting nest boxes at the low end of the height range for the desired species. Both of these non-native species do not like to nest close to the ground.
You can also discourage predators by installing a predator guard over the entry hole. This tunnel-like guard elongates the entrance, making it more difficult for a predator to access the nestlings inside.
Consider setting out nesting material for your nesting birds to use to line their nests. Hang one of our BirdsChoice Nesting Balls or an unused suet cage filled with short lengths of yarn or string.
