I just brought this chick home yesterday, supposed to be about 4 weeks old and an Ameraucana from a local breeder on Craigslist. Obviously the chick had not been handled much as it was terrified of me at first. Once it realized I wasn't going to hurt her, she settled down. I picked her up, flipped her over on her back and saw her breast bone prominently sticking out. I'm assuming she was starving? I honestly don't know but she's separated with her 2 other chicks that I bought with her with plenty of access to feed, water and a heat lamp at night. My question is, in seeing the picture's I included, have I assumed correctly? If not, what may be wrong and what more can I do for this poor thing?