When it comes to raw speed, this is the undisputed leader.Duma has evolved into the fastest land mammal (with some help from its prey). This cat dwells with few relatives in groups that rarely go beyond six. As the smallest of the three, it is selective and goes after relatively smaller prey that it can eat rapidly. It is a day hunter and without the tenacity of Chui, its great chase speeds cause a lot of commotion attracting other unwanted predators and has to overcome an additional hurdle of these scavengers even after a successful hunt. Despite having low fertility rates, they have managed to exist as the dwindling numbers have taken a reversal over the last two decades. Duma is the ultimate when it comes to the need for speed.