The Leucrota is a hybrid animal that appeared in the medieval bestiaries. The result of the union between a male hyena and a female lion, it possessed the size of a donkey, the neck and build of a lion, and the hindquarters of a deer. Its head was described as highly striking, with a disproportionately large mouth, wide enough to open from ear to ear. It has no distinct teeth, possessing instead a single bone that protrudes from its gums, and it emits sounds resembling the human voice.