He's not a pig, but another of these animals can read and realizes that his closest friend, a character whose motto is "I will (*) work harder," is being taken to the slaughterhouse.
One of these animals accompanies Robert Louis Stevenson on a journey through the Cevennes. One animal of this type is stolen by Gines de Pasamonte in a novel supposedly written by Cide Hamete Benengeli; that freed prisoner does not want the "nag" Rocinante. He's not a pig, but another of these animals can read and realizes that his closest friend, a character whose motto is "I will (*) work harder," is being taken to the slaughterhouse. Benjamin is a cynical member of this species in George Orwell's Animal Farm. He shares this species with Sancho Panza's steed and Bottom's head in A Midsummer Night's Dream. For 10 points, identify this animal that can father a mule with a horse.
One of these animals accompanies Robert Louis Stevenson on a journey through the Cevennes.
donkey [or ass; do NOT accept or prompt on "mule"]