Final answer:
The hyena is not a canine and belongs to the family Hyaenidae; whereas jackals, dingoes, and timberwolves are all members of the canine family.
Step-by-step explanation:
Among the listed beasts, the jackal, dingo, and timberwolf are all members of the canine family, Canidae. However, the hyena is not a canine. Hyenas belong to the family Hyaenidae and are more closely related to cats than to dogs. Therefore, the correct answer to which of these vicious beasts is NOT a canine is c) Hyena.
While jackals, dingoes, and timberwolves are canines, hyenas belong to the family Hyaenidae and are not part of the Canidae family, which includes wolves, jackals, and domestic dogs. Hyenas have a different skull structure and dentition compared to canines.