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 for the English sparrow, but large enough to serve some other small bird should no wrens come. A smaller entrance makes it difficult for wrens to get in their bulky nesting materials. My wrens raised three broods in their little house in the pear tree last summer.

A friend of mine bought a wren house which has a low entrance. Some wrens nested in it. One day Father Wren was very much excited, but no one could understand what was the trouble. The next day, believing that the wrens had fledged their young, my friend ordered the house to be cleaned. To her horror she found Mother Wren wedged in among the nesting, dead. The babies were dead in their nest. Evidently their increasing weight had settled the nesting materials so the mother could not get out any more and neither could Father Wren go in. Let this be a warning to all who make wren houses, to make the entrance several inches above the floor!

My houses for wrens and bluebirds are so made that they can be easily opened after use, and cleaned. The front on the wren house can be raised, that on the bluebird house lowered. By means of a screw eye, the front is securely closed while the house is in use.

Of late I have also used an open shelter. It consists of a tray about five inches square, roofed over, and serves two purposes. For winter use I fasten a small wire pocket on it, into which I put beef suet.