We have a hen who is just over a year old who has been in perfect health. Two days ago she began walking around with her body very low down, almost touching the ground. We have never seen her do this before. We are concerned that there maybe something wrong with her but have no clue what to look for. We have seen her eat and drink as normal as well as maintain normal everyday behavior such as being out in the yard, wondering around, eating and even running (which she does in the normal, fully upright way). Nothing that we have witnessed is out of the ordinary for her aside from her walking. We appreciate any suggestions.