When I lived up in the hills in Oregon a man who had killed the mother brought me a grey fox kit once and I had it for more than a year (don't ask).

He and my border collie pup played for hours at a time. But once, Rome made a skittering noise in his throat and Penny, the pup, recognized him as an alien being. For a moment, she was determined to kill him.

I separated them and the next time they met they went back to playing. I don't know how it would have ended eventually, because I sold Penny to a sheep farmer.