1. Diceros bicornis   zebra   camel   leopard   rhinoceros   Hint Half-n-half Clue   2. Bos taurus   cow   rhinoceros   camel   dog   Half-n-half Clue   3. Rana tigrina   frog   leopard   lion   tiger   Half-n-half Clue   4. Equus caballus   zebra   giraffe   elephant   horse   Half-n-half Clue   5. Giraffa camelopardalis   wolf   cow   leopard   giraffe   Half-n-half Clue   6. Canis familiaris   giraffe   leopard   dog   rhinoceros   Half-n-half Clue   7. Camelus dromedarius   cat   giraffe   leopard   camel   Half-n-half Clue