Frederick Russell Burnham,
Transplanting African Animals.
“ In the animal world nature seems to work out the essential end by means apparently harsh. If it were not for the natural enemies of the great game herds, they would increase so fast that there would be no food supply, and starvation would be their end. The greater part of the grass-eating animals are not long-lived. With the heat of summer the old must die of thirst and weakness. But as it is now arranged, the lion and leopard and many other enemies kill in one instant, or, at most, in a short, sharp fight, in which the animal can feel no pain. ”
