With Nature Day Camp last week, and playing catch-up this week; I have had little time to post an update on the nest boxes. Last week, I did find time to check boxes. Both broods of tree swallows had fledged out. That means there are 11 more swallows eating insects and performing aerial acrobatics. The house wrens in the yard also fledged out. But the big news was that I found the beginnings of grass nests in two boxes.
This week when I checked, I could confirm that both nests were bluebirds. Each nest held 3 eggs! It has been a long time since bluebirds have produced two broods at Mariton in one summer. These second nests are in boxes within 100 feet of the boxes used earlier this spring. Also, neither of the boxes had been occupied by any species this year. On the left is the nest in Box #9. On the right Box #19. (I realize they both look the same, but two pairs of bluebirds renesting is a big deal to me.)