2 1/2 year old embden goose is not able to stand! He is a little lethargic and has tar black stool. He is not able to walk or possibly stand. I brought him inside and put him in the bathtub on a towel with no water (except a bowl to drink) and food. We are going to give him boiled eggs to build him up. We have a secured yard and it does not seem like he is injured. His eyes does seem sunken in though. Does anyone know what it could be?