I'm with everyone else, please be very careful with them outside. Outside time is great but I'd even just invest in a travel cage for them. It's absolutely amazing what a small wind can do with a clipped and scared bird. Another thing to remember about clipping is that a good clip should never stop a bird from flying, it should just keep the bird from getting lift. If your guys are dropping to the ground like rocks, they probably don't have the right clip. From what I understand, Linnie clips can be kind of hard to get because they are heavier bodied birds. I wish I could give you a little more information about how to clip them but I don't clip my guys, so I don't know much about how to clip them. Your's are definitely gorgeous by the way! I love the Creminos!