Those last two are gorgeous! If you ever travelled to Victoria I think you would have a few interested buyers Hetty! I would be one of them....
With the boys fighting (a few pages back), they are social but after being with girls they are not quite as social with other boys. If the male which was mated was separated from the girls for a bit longer, he may be more willing to go back with the other boys, maybe in a neutral cage?
Anyways, Keep the pics coming! My favorite pet rat was a black berkshire. He was the most docile friendly rat I ever met. And when I took him to be euthanised (damn CRD), he chewed out of his box and crawled over to my lap :-(
Kim