Today I introduced my boys Finley and Darwin to Harvey. They are all 8 weeks old and Finn and Darwin are brothers. They were doing great which honestly surprised me a little. When I left for work Finlely and Harvey were playing and Finn who is still skittish of me since he is rather new was coming to the cage door when I opened it since he saw me petting Harvey and was playing with him. Darwin is still skittish and wasn't following Harvey around like Finley was but there were no fights, stand offs or chattering of any kind. When I left for work everything was going well still so fingers crossed they will still be doing good when I get home. Should be easy to see if anything happened to Darwin since he is a hairless and Finn since he is a russian blue variegated but not so much on Harvey who is an agouti self rattie and he is smaller than the other two even if he is the same age. raying: