1. Crocuta crocuta   chimpanzee   cheetah   porcupine   hyena   Hint Half-n-half Clue   2. Aepyceros melampus   porcupine   panda   impala   armadillo   Half-n-half Clue   3. Ailuropoda melanoleuca   panda   hyena   porcupine   chimpanzee   Half-n-half Clue   4. Felis canadensis   armadillo   chimpanzee   beaver   lynx   Half-n-half Clue   5. Enhydra lutris   hyena   porcupine   cheetah   otter   Half-n-half Clue   6. Pan troglodytes   otter   chimpanzee   armadillo   impala   Half-n-half Clue   7. Coendou prehensilis   porcupine   panda   chimpanzee   beaver   Half-n-half Clue