"Hans" actually got reintegrated in his extended flock after 4 days! He was still the smallest (and feistiest!) of the 6, and for a while it was pretty obvious that he didn't belong, but in the end they worked it out. Their human mom tells me he still likes to be held more than the others, but...
One of our classroom Hungarian partridge babes had trouble getting out of its egg. My soft hearted colleagues helped it hatch, but it seemed to have various issues with balance, breathing and so on. Its siblings wanted nothing to do with it, so I ended up taking it home. Surprisingly it has done...