Many of the birds that visit backyard feeders and bird baths may stay and nest in nearby trees. And many of them, including cardinals, doves and orioles, won’t ever raise their young in a nesting box. However, you can still help these bird favorites to raise their young in your area by offering their favorite food choices and providing shelter requirements in your garden or yard.

Nesting materials can also be hung in a wire cage. These cages are especially popular in the spring when birds will come and choose those that are suitable for them. Try thin strips of clothing or rags, small twigs, wool, and even feathers.

There are more than two dozen birds in the USA and Canada that are happy to nest in bird houses. The most important measurement in any nesting box and the birds it attracts is the diameter of the entrance hole. An inch and a half is small enough to deter starlings. Starlings and house sparrows have been known to kill many baby birds as well as adults sitting on the nest.

Nesting birds have problems with other predators as well. The easiest way to discourage predatory cats, snakes, raccoons, and chipmunks is to mount the nesting box on a metal pole, or pick up a metal predator guard for wood post mounts.

Here are a few of the most common, and preferred, wild birds that you can help in your neighborhood:

Bluebirds – If you put up a bluebird house near an open field, orchard, park, cemetery, or golf course, you’ll have a very good chance of attracting a pair of nesting bluebirds. These beautiful and beneficial birds prefer nest boxes on a tree stump or wooden fence post, elevated to between three and five feet high. Bluebirds will also nest in the old nesting holes of woodpeckers so if a dead or dying tree isn’t posing any troubles and you see a woodpecker hole in the trunk you might like to leave it standing – at least until autumn.

Robins – Robins are our largest birds of the thrush family. They prefer to build their nest in the crotch of a tree or a nesting platform. These birds like to nest six feet or higher up in a shaded area. We get them under the overhang of our hay shed and front porch. Creating “mud puddles” nearby assists robins in the spring, as they use mud to line their nests.

Chickadees, Nuthatches, and Titmice These smaller birds share the same food, feeders, and habitats. If you put a properly designed nest box in a wooded yard, at least one pair is sure to check it out and one may stay to grace you with babies that return year after year! Chickadee nesting boxes are perfect at 6′ elevation. Nuthatches can be between 5-6′ elevation. You can hang them from limbs or secure them to tree trunks. The entrance hole should be 1-1/8″ to attract chickadees yet exclude house sparrows. Encourage these birds to stay in your yard by continuing to fill your suet and peanut feeders through the summer and keep a bird bath or dripper going at all times for them.

Brown Creepers and Prothonotary Warblers – Brown creepers generally like to nest behind the curved bark of tree trunks. If your yard or garden is heavily wooded, slab bark houses will appeal to creepers. Prothonotary warblers also prefer slab bark houses, but they will only nest in boxes positioned over water.

Wrens – Wrens don’t seem to be very picky about where they nest and are a beautiful wild bird to watch rear their young. Try nest boxes with a 1″ x 2″ horizontal slot (larger for the Carolina wren) instead of the standard circle shape entrance as these rectangular openings are easier for the wrens to use. Wrens are notorious for filling up any conceivable nest cavity with twigs, regardless of whether they end up using the nest or not. Since male house wrens build several nests for the female to choose from, hang several nest boxes at eye level on partly sunlit tree limbs. Wrens have always been one of my personal favorites because they are not ‘put off’ by humans being near their homes so they can be poisitioned quite close to the house and are perfect for smaller lots.

Tree and Violet-green Swallows – Beautiful white-bellied birds with iridescent blue-green backs and wing, are a joy to have nearby. They’re also beneficial as they are insect eaters. Tree swallows prefer nest boxes attached to dead trees. Space the boxes seven feet apart, the ideal setting is on the edge of a field near a lake, pond, or river. The gorgeous violet-green swallows from the west, nest in forested mountains. Nesting boxes placed on large trees in a semi-open woodland attracts them.

Barn Swallows and Phoebes – Barn swallows and phoebes are another easy and beneficial bird to attract. It’s their nesting behavior, not their plumage or song, that you’ll fall in love with over and over again. These birds tend to nest where you’d rather not have them: on a ledge right over your front door or at the far entrance to the barn. To avoid a mess by your door, offer the birds a nesting shelf nearby where it’s more convenient and you may get lucky if they prefer it. These birds are not bothered by human activity nearby.

Purple Martins – Many people want martins because, it’s been said, each bird can eat 2,000 mosquitoes a day. While it’s true that Purple Martins eat flying insects, don’t expect purple martins to wipe out your mosquito population. Martins actually prefer dragonflies, which are far more benefical for mosquito control as they prey on mosquito larvae. Don’t cross martins off your list because they don’t live up to their mosquito killing reputation though, these gregarious wild birds from the swallow family put on quite a show for human observers! Martins prefer to nest on the edge of a pond or river, surrounded by a field or lawn. As they nest in groups, the houses you may purchase for a colony are often the most elaborate. Look for a house with a minimum of four large rooms, 6 or more inches on all sides, with a 2 1/2″ entrance hole. You might also like to check out bird house gourds as purple martins seem to prefer these.

Flycatchers – The Great Crested Flycatcher and its western cousin, the Ash-Throated Flycatcher, are common in wooded suburbs. Their natural nesting sites are abandoned woodpecker holes (see note on dead or dying trees above). Flycatchers may nest in a bird house if it’s elevated about ten feet up, in a tree in an orchard, or at the edge of a field or stream.

Woodpeckers – Beautiful and funny wild birds that are easily attracted with suet feeders. However, only the flicker and the red-bellied woodpeckers are likely to use a nesting box to rear their young. These birds prefer a box with roughened interior and a floor covered with a two-inch layer of wood chips or coarse sawdust. Flickers are especially attracted to nest boxes filled with sawdust, which they “excavate” to suit themselves. For best results, place the box in direct sunlight.

Owls – Owls seldom build their own nests. The Great horned Owl and the Long-Eared Owls prefer abandoned crow and hawk nests. Other owls (barred, barn, saw-whet, boreal and screech) will nest in tree cavities and bird houses though. Barn owls are best known for selecting nesting sites near farms. Where trees are sparse, these birds will nest in church steeples, silos, and hay mows. If you live near a farm or a golf course, try fastening a nest box about 15 feet up on a tree trunk to see if you can attract them onto your property (they’re great to keep the rodent population down!). Screech owls prefer abandoned woodpecker holes at the edge of a field or neglected orchard. They will readily take to a nesting box if you line it with an inch or two of wood shavings. If you clean the box out in late spring after the young owls have fledged, you may attract a second tenant–a kestrel. Trees isolated from larger tracts of woods have less chance of squirrels taking over, and often ruining the nesting box.

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