My little Scully has a proper grumble everytime I go near the cage! She goes ' brrrrr ' and the whole cage vibrates! Am I right this is her telling me to go away? Rascal on the other hand squeeks for England. The inly time I have seen them run around like mad and jump for joy is when I'm not there (I spy on them)! A lot! Is there a good link that tells you what noise means what?