This nest with two unhatched eggs was inside one of my Williamsburg Pottery Bird Bottles that I recently took down and cleaned out prior to having my cottage painted. It's like a little work of art, isn't it? I don't know why this nest was abandoned before the eggs hatched. The tiny birds used it constantly over the summer.
This photo is from Colonial Williamsburg where these bird bottles are still being sold. Order here. The house wrens love them. I put two on the front of my house on either end under the eaves. I still have one to hang on the back of the house near my bedroom window so I can wake up to their delightful singing from early spring and all summer long. Listen to them sing here. They raise multiple families and the parents are tireless workers. They love to perch on the wisteria and sing their little hearts out as they dart in and out of the bottle looking for insects to feed their young.