I have 8 babies that were hatched months ago. 7 of them are almost full grown and doing well. 1 only has feathers on her/his wings, very much smaller, still has the soft new born hair all over body. The past few days she’s been off feed and not drinking. Today I noticed she was off by herself. It’s 100+ degrees so we brought her inside. She is sneezing and foaming a little when she drinks. Very lethargic. Is there anything that I can do for her?