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