Hagrid was not putting up a very good show either. He had shown them nothing more frightening than a Crup-a creature indistinguishable from a Jack Russell terrier except for its forked tail-since before Christmas, he too seemed to have lost his nerve. He was oddly distracted and jumpy during lessons, losing the thread of what he was saying to the class, answering questions wrongly, and all the time glancing anxiously at Umbridge.