Roigan Terrace, Monona, WI, United States
We have very persistent house wrens in our nest box. This box has been used by house sparrows a couple of years ago, last year we put a metal washer on the hole, so the house sparrows couldn’t make the hole bigger; this year a house wren staked claim to the box, and fought off a house sparrow earlier in the season. He has finally attracted a female; and there must be eggs in the box. They are very interesting birds, very pretty song. They should have plenty of insets to feed on with all the rain we’ve had; the mosquitoes will be crazy here in a couple more days; It’s amazing how they can get sticks into the nest box which are larger than they are and turn them around so they fit through the hole. Over the past 5 years we have gradually added natural plants to our yard (replacing grass) and it’s amazing how many more birds, butterflies and dragon flies we now get. It just takes a little bit.