When a pack of African wild-dogs chased an impala and tried to corner it against a river filled with crocodiles and hippos, the impala decided to take a leap of faith and jumped in a pool of hippos trying its luck by swimming across the river. Two hippos immediately swam towards it and flung it in the air and repeatedly bounced on top of the impala trying to drown it. An hour earlier a similar scene had happened and then the hippos immediately killed the impala. This impala was luckier though an