Thanks!! He is coming along great as of today! Up to 72 grams. All feathers are in, but he's not fledging. He is full of energy though and loves to eat. Thanks for the encouraging words!He Wil catch up mine is 23 days old looks same size as yours but don't worry even stunted babies Wil catch up eventually he might be slightly smaller when he is a adult ut that's OK everyone is unique