I have a juv. noisy miner chick who I've been looking after for around two months. Two days ago when I got him out of his cage to have a fly around (I do this every 2-3 days for exercise) I noticed that he won't weight bear on one of his legs at all and that he won't close his mouth. I felt the whole way down his leg and claws and couldn't feel any breaks or dislocations, he didn't seem to mind me touching it. He doesn't have laboured breathing, his nostrils are clear and he isn't sneezing either. He is eating and drinking with aid as he won't close his beak even to pick up food. Other then this he is acting completely normal, he chatters to me and hops around on one leg. I'm concerned about his strange behaviour and would be very upset if somthing were to happen to him. Any advice would be greatly appreciated.