It all depends on what you consider normal. They eat poop and feathers and all kinds of things when there system needs something. They also do it when they are bored, confined, depressed, and because they want to. If they have good food, clean water, good housing, a place to lay in the sun, a place to run..don't worry.Have a ? just saw my 7 week old roo down a 6 inch feather like a sword is this normal