My RES looks bloated behind her front legs. She has been like this for a couple of weeks now - is this normal? Is she just fat? I don't feel any eggs and she is not expressing nesting behavior at the moment. She is a 20-22 year old female, weight 1,375 g, seems in good health, plenty of appetite. She was donated to me 3 months ago and I don't know if she has been like this before. Here is a video: