Digital Vision./Digital Vision/Getty Images. The Kalahari Desert is a vast arid grassland that reaches into three African nations -- Botswana, Namibia and South Africa -- and encompasses an area of approximately 360,000 square miles. Due to this great range and the seasonal and geographic variations in water and temperature, the Kalahari has a rich and diverse ...
Size of a great white shark compared to a human. Photo credit: Any, CC BY-SA 3.0. Winner: The great white shark might have scarier teeth, but the killer whale is bigger and faster. Killer whales also have an advantage when hunting in big groups. Notable examples of sharks vs. killer whales: Blue Cliffs Beach, Tuatapere, New Zealand â Boxing Day 2011.
So good, in fact, that a shark is unlikely to mistake a diver or swimmer for a seal, which is another widespread myth. When a great white shark attacks a seal, for example, it rushes toward the animal at about 30 miles an hour and smacks it out of the water with devastating force.