Visitors to the park have been seeing more of these guys lately.
One reason for this is that this year, 2016, the Guardians of Palmer Park, in particular our president, John Hawk, along with our good friends Will and Kate Crow, installed several brand new nesting boxes in the park.
Some of them look like this:
They have been put to good use by their intended recipients.
You may be interested in visiting the bluebird slideshow in our photo gallery.