The African elephant has an ear shaped like Africa. The Indian elephant has an ear shaped like India. To find an elephant, look within 300 meters of water. The year after a season of heavy acorn production there will be one more chipmunk living on each quarter-acre plot. The circumference of an elephant's front foot is equal to the height of the shoulder from the ground.
Fish have vertical tails.
Mammals have horizontal tails. A female swine, or a sow, will always have a even number of teats or nipples, usually twelve. Zigzag to outrun a crocodile. If a polar bear charges you, dodge to the right. Eskimos say most polar bears are left-pawed.