This year was not a good one for eastern bluebirds in our area. Between the heat, the drought, and the general lack of bugs, very few birds were able to fledge young. Greg counted a total of 12 eastern bluebird fledglings as well as 8 ash-throated flycatcher fledglings in his boxes. He also discovered a young dead screech owl in one of the boxes.
Here's hoping next year will be better.
Consider putting up nest boxes in your yard.