[ runner ]
Gnus live in the savanna of East Africa normally in a troop of 5 to 15. Occasionally they have a great migration in a large herd of more than 1,000,000 all at once. They move over 1,600 kilometers a year. Recently they have begun to run faster than before by leaps and bounds. Some of the reasons are as follows: they want to reach next point as fast as possible to obtain the edible weed, for its area is getting smaller because of the climatic aberration and insufficient area of the sanctuary, and they probably feel the necessity to flee from the danger of the poachers and the contagious livestock sickness.