Tigers are apex predators which means they do not have any natural predator. There is no animal that can kill and consume a tiger. Tigers have only 2 enemies - One is their own clan - Tigers can kill...
a tiger hunts : deer,wild boars, fish when swimming, water buffalo, gaur in rare cases because gaur may kill the tiger, livestock, and even humans with man eating tigers( tigers are famous for often...
It is a sad fact that actually humans do. This is why the these rare beautiful tigers have become extinct...i think. Because of illegal hunting that is.