I have a young chicken (At least I'm hoping its a hen- I have already been deceived) that every time she breathes her entire face bloats up and then sinks back in. She doesn't seem to be wheezing, coughing, nothing from the nose, nothing. I have no idea what's happening and lately she seems to be acting tired, and is constantly sitting and falling asleep. She's also been falling from the tree where she sleeps, but I dont know if its because of this problem or because she has only grown half a wing (When I got her she was mostly bald). I'm stumped as to what it could be and am really worried it might be something really serious. I was told she could have a heart problem but I'm not so sure about that. Any suggestions would be great. please!