Tonight I noticed that one of my 9 week old silkies was acting very strangely. He was fine earlier in the day, but when I went to put him back in his cage, he was just standing there. He has no running or bubbly eyes, showing no signs of illness, just standing still. When I picked him up, he just seemed so listless. I isolated him away from the other birds under a heat lamp. When he tried to move, he was wobbly, like his equilibrium is off. We are still very new to chickens, and up to this point, none have been sick. So, if anyone has any ideas as to what is wrong or what I should do, I'd appreciate hearing it. I'd like to be able to help him in the am, if its not too late. Thanks.