#1. Heaviest Animals: Whales

#2. Heaviest Animals: Plankton Feeding Sharks

#3. Heaviest Animals: Elephants

#4. Heaviest Animals: Rhinoceros

#5. Heaviest Animals: Hippopotamus

#6. Heaviest Animals: Elephant Seal

#7. Heaviest Animals: Giraffe

#8. Heaviest Animals: Saltwater Crocodile