Remus thought he heard a whimper, he looked around wondering if Fang had followed him. "Fang?" He called out, trying to hear the whimper again, there were no other dogs at Hogwarts and this really sounded like a dog. For a split second he thought it could be Padfoot, but then he shook his head, Sirius was to bright to stick around Hogwarts knowing the ministry officials would be looking for him.