Bird boxes can unfortunately be deadly if they are retaining water, which can be cold, promote disease, and in some extreme cases, even flood nests. You want to make sure that the box has good ...

However, no matter the bird variety that takes up home in your bird box, you'll likely find that, at some point, the house becomes dirty enough for a bit of deep cleaning.

So between broods, evidence says to clean out the boxes as soon as birds fledge. At the end of the season, however, another study by W. H. Davis and colleagues (1994) found that bluebirds ...