Hi everyone. Not sure if this is posted in the right place but hoping someone can help us. We have a muscovy duck (female we believe). She is 1 year old. We started to notice a few weeks ago that her chest looks a little bigger than usual and also her beak changed the color. Before it was more reddish and now it became pick and greenish/yellowish, also around the eyes. She used to fly often and run very fast in the backyard, and now she does not fly at all and it seems to have trouble when tries to run fast (like if she was chubbier or something)... We know she is not "pregnant" or anything but just the looks of chest and beak does not seem right to us. We feed her Purina flock raiser. She has her own little pond with fresh clean water and bowls with water of course. Anybody experienced anything similar to this? Should we change her food? Is she sick? Please advice us! Here 2 pictures of our duck so you guys can see what we talk about. Thanks.