No bluebird nest box is sparrow proof. You can however discourage sparrows from nesting there. Avoid places next boxes close to barns, feedlots, and farmsteads. These provide plenty off cover for sparrows. Sparrows may not like nest boxes made of PVC pipe because the interior is circle. They also dislike slot boxes.
No they build a new nest for each brood. However they may use the same nest site year after year.
yeahhh
the house sparrow nest has three to six eggs
A sparrow will build its nest under the nest of an osprey. The smaller birds get protection because other predators will not mess with the osprey.
Song Sparrows build a cup nest of weeds and grasses lined with hair and finer plant materials. The nest is often placed in a bush or small tree. Three to 6 eggs are incubated by the female for up to 2 weeks. Both parents care for the young who fledge in from one to 2 weeks. Song Sparrows may raise 2 or 3 broods in a breeding season.
in trees or bushes wherever it iis safe for theme
House sparrows and wrens often compete with bluebirds for the same nesting house. Often time sparrows will break bluebird eggs or make another nest over the current bluebird nest.
Passer means it is a passerine, or perching bird..The Domesticus comes from the close association with humans, using our buildings and homes for nest sites.
Yes - that is what happened to a house martin's nest on our house. The sparrows took over and hatched two babies. Sadly though the nest collapsed and it and the babies ended up on the lawn. So disaster.
You can protect it by giving it a place to nest and protecting it from sparrows who will harass it.
This is a tricky question to answer. Sparrows are hard to get rid of. But you can try these simple to do's. First, try putting reflecting ribbons on the nest or where the birds are nesting. This ribbon or tape can easily be bought at the 99 cents store and you can see your reflection in it. Second, you can touch the nest. Birds will not come to a nest that has the human scent on it. Third, if all of these ideas haven't worked than get a little or big brother or strong male that isn't afraid to shoot the sparrows when they are at there nest. Good luck!! if none of these work remember the sparrows are just trying to go green! tee hee :0)