![]() ![]() The female will lay an egg a day, sometimes missing a day if it’s cold or rainy. and 11:00 A.M., and you should avoid monitoring around this time. Nest construction takes on average 4-5 days.Įggs are laid in the morning, between 7:00 a.m. If the female likes the male and the nest box, she will begin building the nest immediately. This will often occur around the nest box. Once the male arrives, he will attempt to attract the female through a courtship songs, flight such as wing waving. Their arrival dates depends on geography, as bluebirds arrive at warmer destinations earlier, but the general range is between mid-February and March in Pennsylvania. Male bluebirds will arrive before females to establish territory. Lastly, install a predator guard shown here to prevent climbing predators such as raccoon's and snakes. Also make sure that wasps haven’t built a nest on the ceiling of your nest box, as their presence will prevent bluebirds from nesting. It’s also a good idea to make sure that the size of the entrance hasn't been altered by other birds. In the onset of spring, before bluebirds arrive, you want to check and make sure your bluebird nest box is ready for the upcoming breeding season. Your recorded information is very useful to the Bluebird Society of Pennsylvania. ![]() These forms are easy to use and are self explanatory. You can download the necessary forms from this website. For this reason, you’ll want to have a log form to record things such as when bluebirds arrive, started building a nest, lay their eggs, how many eggs, hatch, how many fledged, predator problems and etc. If you’re not sure if a bluebird is not inside the nest box, you can make a whistle or call to alert them to your presence. There are two primary functions of monitoring: checking for problems and hazards and recording the progress of your bluebird nest. ![]() However, it’s usually best to monitor a nest when the adult male and female are not inside. It’s imperative that you check on your nest box as least once a week to monitor the progress of your bluebird nest and address any problems. It’s important to remember that bluebirds are very accepting of human interaction and will never abandon a nest because of monitoring. Monitoring a bluebird nest box can be a quick process and doesn’t need to take longer than a minute or two. ![]()
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