1. Tallest land animal   Rhinoceros   Elephant   Polar bear   Giraffe   Antelope   Hint Half-n-half Clue   2. Fastest marine animal   Sperm Whale   Killer Whale   Squid   Shark   Dolphin   Half-n-half Clue   3. Largest land animal   Lion   Giraffe   Rhinoceros   Elephant   Hippopotamus   Half-n-half Clue   4. Heaviest dog (breed)   Bull Dog   English Mastiff or St. Bernard   Great Dane   Irish Wolfhound   German Shepherd   Half-n-half Clue   5. Most common non-contagious disease   Tooth decay   Cholera   Malaria   AIDS   Typhoid   Half-n-half Clue   6. Largest predatory fish   Electric Eel   Swordfish   Piranha   Catfish   Great White Shark   Half-n-half Clue   7. Bird with the largest wing span   Ostrich   Pelican   Falcon   Eagle   Albatross   Half-n-half Clue