Factual error: Scarlett is seen walking on the main street on the way to the hospital. You can clearly see a light bulb in one of the street lights. (01:05:25)
Factual error: When Atlanta is in chaos, there is a shot of a fire engine rushing down the street. Two shots later is a wide shot of the street with a giant red and white radio tower visible in the distance.
Factual error: Almost every crock in the background in this movie was made after 1920. I also saw clear, machine made jars. The automatic bottle machine was invented in 1901. Canning jars were crudely made and rarely ever clear in the 1860's.
Chosen answer: It looks to me like a bird flying from the tree to the ground. Nothing controversial there and no reason to edit it out.
ChiChi